00280nam a2200109Ia 4500008004100000082002300041100002500064245002500089260003100114300001000145650001500155140113s9999    xx            000 0 und d  a581.557.24(042) J0  a" Kelley, Arthur P."  aMycotrophy in plants  b"USA : Waltham mass, 1950"  a206p.  aMycorrhiza