TY - `EDBOOK` A3 - Smit, Pieter TI - Essays in biohistory and other contributions : pres. by friends and colleagues to Frans Verdoorn on the occ. of his 60th birthday PB - International Association for Plant Taxonomy CY - Utrecht PY - 1970 LA - eng SP - XXII, 426 S. T2 - Regnum vegetabile M1 - 71 N1 - Festschrift Frans Verdoorn CN - Bf 73 AN - UBHD-1050055 ER -