000 00297nam a2200121Ia 4500
008 221001s1978 xx 000 0 eng d
082 _a891.433 CHO (H)
100 _aChopra, Sudarshan
245 0 _aPratikar
260 _aDelhi
_bIndraprastha Prakashan
_c1978
300 _a113p.
942 _2ddc
_cBK
999 _c20376
_d20376