000 00300nam a22001097a 4500
008 230522b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aIndian manufacturer
260 _aBombay:
_bP. Raghavan:
_c1980
310 _aMonthly
942 _cCR
999 _c32863
_d32863