Bibliography of synthetic plant-growth substances
Scholl, A W
Bibliography of synthetic plant-growth substances - U.S.A.: Multilith Process, 1955 - viii, 532p.
Synthetic plant growth
Bibliography
016:581.14 / J5
Bibliography of synthetic plant-growth substances - U.S.A.: Multilith Process, 1955 - viii, 532p.
Synthetic plant growth
Bibliography
016:581.14 / J5