00374nam a2200145Ia 4500 210210b1963 xxu||||| |||| 00| 0 eng d 540 KIEM KIEFFER (William F). Mole concepst in chemistry. London Chapman & Hall Ltd. 1963 ix,118 Mole Concept Chemistry Chemistry 043741 93404 93404 0 0 ddc 0 0 CHE AL AL SSS 2021-02-17 0.00 0 540 KIEM 043741 2021-02-17 00:00:00 2021-02-17 BK