000 003380000a22001450004500
060 _a100
082 _a581.158 BRI
100 _aBriggs D, Walters S M
245 _aPlant variation and evolution
260 _aNewyork, Mc Graw-Hill Book Co
260 _c1969
300 _a256
650 _aPlant variation/polyploidy
942 _cBK
999 _c209325
_d209325