Analytical methods for pesticides, plant growth regulators, and food additives / edited by Gunter Zweig.

Paper chromatography : a laboratory manual / by Richard J. Block, Raymond LeStrange, and Gunter Zweig.

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Gunter Zweig

Works from the collections

Analytical methods for pesticides, plant growth regulators, and food additives / edited by Gunter Zweig.

Paper chromatography : a laboratory manual / by Richard J. Block, Raymond LeStrange, and Gunter Zweig.