Earl, B. Wilford, L. D. R. Chemistry data book / by B. Earl and L. D. R. Wilford - London : Blackie & Son Ltd. , 1991. - 133 p. Paper Back ISBN: 0216931312 Subjects--Topical Terms: Chemistry And Allied SciencesChemical elementsChemistry--Study and teaching Dewey Class. No.: 540 / EAR-C