v< + E]<-U]<

{v vx

i  E {v E g i V  i  <B < {v  E  xS E + gx E Vn |k i * n < {v E   Uc n V i <E +E Zcx  n  VM il , Ui< < {i ]x Ei  VM* BE lx { +xE EEB x E Eh E< | ]i , V i  W B uJ Eh x Vi  Vx E]-v Mi  {x{ Vi * < |E E g E |k E +iH  E ix E Ec EV il Q ]x  x E Eh, <E | il JB  E   +x  ]] Vi * Vx {c E x v Vi, =xE Zcx Sx E Eh  icx E E  E  Vi * < i {c E =i{nEi + =  E i * +i: xxxn  E {v E `E i  v Vx  =xE Sx ii + Vi M B =x +vE  |{i M*

{c E Vi fS xx E B V  E {v E v< {v    E V* < i E {] E  V E {v E Vc ]f-g x  il =x v gx E |k *

{< E  >{ E g  E BE  v gi + | J V* {< E n, {v E Vx E E { ix  E nx  E v< E Vi * {  E nx, v + Wi J ix Ei E Vi  + = Vx E i  30 .. E >S< iE E  x uiE J+  i J Vi *  E S E x , E E Vc E >{ BE-n M` UcE  E E] E E Vi * < x {` g xEi * J ix  ix  S =Si VM { M JB x n V* < E x   E   E] V iE JB x n V* <   E   E] V iE JB `E  g * { JB  n  E] n V + 3  4 v gx  uiE JB J V*

n  , < |G E nE I E iiE J i iE g  V* {c E v x Jx E |ix E V* l  uJEh x x nx SB* B i E V Ei  VE BE M`  v gx  | BE  +vE x J V* J E xS M  xEx  | xE n V*  x EW + +c iU |  xE n V*

{c E gS E +xi {  vx + vx E E <  E]<-U]< E  i  E nx E V Ei * n {c E `E-`E v< E M<  i {c ii M + +i { = E ]E E +Ei x M* , +M {  E nx  {  ]E Mx E Vi i, i +Eix ]E M V*

E]<-U]<

S   {k E EI (BC) xE M x | {  E  Mi * <B   E]<-U]< E Vi  iE x, l +vE  +vE | xE E Vx { +SU Mhk E  M E*   E]<-U]< Ex +E  iE +xE, EV +c-iU,  + ]] < JB xE V E + l  +vEi   E*

V I E {k Zcx   Vi  +  {il  i  i M + E   E]<-U]< E Vi * =k i ,  E {c E U]< < E n {Jc , VE  {il  i , E Vi  * nIh i   E MS  E< E]<-U]< x E Vi *

 E E]<-U]< ,  E ={V { E< Vn | x {ci nJ< {c*  nJ M  E V E]<-U]< E |ii 25 75iE g M i ={V P]* v + Vn E]<-U]<  ] i E + { xB | E EU =S< + P  r < VE lc E]<-U]<
(25|ii g E U]<)E | x E]-U] E ix  E<  +xi x nJ< {b * +i:   {ci  E   E E]<-U]< E Vx SB*

G& {U

J{`

+x 

G& +M

- |J E
-  E Sx
- |h + {h
- v< + E]-U]
- M E |v
-  +  +x
- E] + El
- M + El
- E]< b<