000 00340nam a2200121Ia 4500
008 220214s9999 xx 000 0 und d
100 _aBackhaus Ralph A
245 4 _aThe ontogeny of rubber formation in guayule, Parthenium argentatum gray
260 _bBotancal Gazette
_c1983
300 _a391-400
700 _aWalsh Sharon
942 _cRE
999 _c45706
_d45706