000 00284nam a22000977a 4500
008 230628b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aIndustrial herald weekly
260 _aMadras:
_bM. Rajagopalan,
_c1982
942 _cCR
999 _c48316
_d48316