000 00682nam a2200289Ia 4500
008 150814s9999 xx 000 0 und d
037 _cPurchase
037 _gNil
037 _nPublication Division India
040 _beng
041 _aEnglish
082 _a001
100 _aBiman Basu
245 _aWHAT ?
250 _a0
260 _bNational Institute Of Science
260 _c1997/10/15
300 _g100
365 _b40
590 _aAvailable-Active
590 _cGifted by Publication Division, Govt. of India
590 _dNil
630 _aknowledge and its extension
650 _aGeneralities
942 _cLEN
942 _hGeneral
999 _c91977
_d91977