Plants and vitamins
Schopfer, W. H.
Plants and vitamins W. H. Schopfer - Waltham : Waltham Mass, 1949. - xiv, 293 p. ; 27 cm.
Includes index.
Plants--Analysis
Plant vitamins
Vitamins
581.192 6 SCH
Plants and vitamins W. H. Schopfer - Waltham : Waltham Mass, 1949. - xiv, 293 p. ; 27 cm.
Includes index.
Plants--Analysis
Plant vitamins
Vitamins
581.192 6 SCH