000 00407 a2200145 4500
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082 _a631.52
084 _aQdda.3
100 _aClausen, Jens
245 _aStages in the evolution of plant species
260 _aNew York
_bHafner
_c1962
300 _aviii, 206 s. : ill.
653 _aEVOLUTION GENES GENETICS INHERITANCE PALAEONTOLOGY PLANTS
999 _c11182
_d11182