000 00392nam a2200145Ia 4500
008 210101s1950 xx 000 0 eng d
082 _a587 J 0
100 _aManton, I.
245 0 _aProblems of cytology and evolution in the pteridophyta
260 _aCambridge
_bThe University press
_c1950
300 _a316
650 _aCytology & Evolution
653 _aPteridophyta
942 _2ddc
_cBK
999 _c3071
_d3071