TY - BOOK AU - Parker,Sybil P. ED - McGraw-Hill, inc. TI - McGraw-Hill encyclopedia of chemistry SN - 0070454558 : AV - QD5 PAM U1 - 540 21 PY - 1993/// CY - New York PB - McGraw-Hill KW - Chemistry KW - Encyclopedias N1 - Includes bibliographical references and index ER -