00270nam a2200097Ia 4500008004100000082001700041100002800058245004100086260003700127300000800164140113s9999    xx            000 0 und d  a631.817   J5  a"Collings, Gilbert. H."  a"Commercial Fertiizers, 5th edition"  a1955bMcGraw Hill BookcNew York  a617