Hagen, J. W.
Empirical chemistry a quantitative laboratory program / J.W. Hagen. - San Francisco : W.H. Freeman, 1972. - 320 p. : ill. - Laboratory studies in general chemistry. .
Chemistry--Laboratory manuals.
Empirical chemistry a quantitative laboratory program / J.W. Hagen. - San Francisco : W.H. Freeman, 1972. - 320 p. : ill. - Laboratory studies in general chemistry. .
Chemistry--Laboratory manuals.