z 527 

,.., rb,>; +-eY'ZPl'tun ~ -" 47 1" Oll c,) T r

T

,~ t::_u ~ ~ _ hp_ df'?__ \.LJ~r-c5 -u g. ::;3

q 

(1951). -.o'len 19~:h-1951_ 2 

~I Xf Xx" VT (1~14 ~ I gZ1)