00393nam a2200097Ia 4500008004100000082002200041100004200063245014900105260003300254300000800287140113s9999    xx            000 0 und d  a581.1(082.2)   L2  a"Rees,A.R.,Cockshull, K.E., et al..."  a"International Symposium on Crop Processes in controlled environments, Glasshouse crops Research Institute, Littehmapton, Shsse, England, 1971."  a1972bAcademic PresscLondon  a391