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040 _e134795
_aMAIN
041 _aEnglish
082 _a540.3 P2R
100 _aScientific Research
245 0 _aElementry technical dictionary Chemistry
260 _aNew Delhi
_bRakesh
_c1968
300 _a233p. p.
942 _cBK
999 _c60037
_d60037