000 00268nam a2200121Ia 4500
999 _c8042
_d8042
003 OSt
005 20210419151016.0
008 160316s1987 xxu||||| |||| 00| 0 eng d
100 _aS.C. RAY CHOWDHURY
245 _aINTERMEDIATE PHYSICS
250 _a1st
942 _2ddc
_cWOB