TY - BOOK AU - Heyworth,Rex TI - Chemistry: a new approach SN - 9620303504 U1 - 540 HEY PY - 1990///, 1988 CY - Hong Kong PB - Macmillan, KW - Chemistry KW - Study and teaching (Secondary) N1 - Reprint of the 3rd. ed. of 1988; Includes index ER -