000 00506aa a2200193a 44500
008 s1993 000 u eng
020 _a0070454558
082 0 _aR 540/PAR
245 1 0 _aMcGRAW-HILL ENCYCLOPEDIA OF CHEMISTRY
250 _aSECOND EDITION
260 _bMCGRAW-HILL, INC.
_aNEW YORK
_c1993
300 _a1236P.
500 _aNO AUTHOR. EDITOR-IN-CHIEF: SYBIL P. PARKER
650 4 _aREFERENCE
650 4 _aENCYCLOPEDIAS
650 4 _aCHEMISTRY
910 _bMFN:6258
_c1
999 _c6218
_d6218