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041 _aENG
082 _a636.08926
_bGAN
100 _aN.C. Ganguli
245 0 _aSemen technology
260 _aNew Delhi
_bIndian National Head of Science
_c1985
300 _a130p
546 _aENGLISH
942 _cBK
999 _c27873
_d27873