00590nam a2200205 a 4500 69444 BD-RjUL 20211209081906.0 170411s1967 nyua|||| |||| 00| 0 eng d (BD-RjUL)69655 BD-RjUL eng BD-RjUL eng 23 540 HAI 1967 Hartwell, Edward 205697 Instructor's supplement for understanding chemistry / Edward Hartwell New York : W. A. Benjamin, Inc., 1967 VIII, 117 p. : ill. ; 22 cm. Chemistry 205698 ddc BK 69444 69444 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1990-11-01 Canada 0 540 HAI 1967 2017-04-11 00:00:00 C-1 2017-04-11 BK