1979 Proceedings of the 5th International asparagus-symposium
Available at ETH Zurich library: website link here
Geisenheim, 28th August-1st September 1979
ed.: Gerhard Reuther; org.: Eucarpia; Section Vegetables
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Available at ETH Zurich library: website link here
Geisenheim, 28th August-1st September 1979
ed.: Gerhard Reuther; org.: Eucarpia; Section Vegetables