000 00302nam a22001097a 4500
008 231005b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aHindustan oil & soap
260 _aDelhi:
_bT. R. Sachdev,
_c1963
310 _aMonthly
942 _cCR
999 _c62619
_d62619