00340nam a2200097Ia 4500008004100000082002300041100002300064245011200087260003500199300000800234140113s9999    xx            000 0 und d  a581.143:581.5   K3  a"Evans, L.T., Ed."  a"Environmental control of plant growth : Proceedings of a symposium held at Canberra, Australia, Aug, 1962"  a1963bAcademic PresscNew York  a449