WELCHER,F. J. Semimicro qualitative analysis Frank J Welcher and Richard B. Hahn - 2nd ed. - Toronto D.Van Nostrand 1968 - x,497p. ISBN: INR 13.50/ USD 2.10 Subjects--Topical Terms: SEMIMICRO ANALYSIS Dewey Class. No.: CH 544.85 / WFn69