000 00290nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:63:678.484
_bGUA
245 0 _aGuayule: An alternative source of natural rubber
260 _aWashington
_bNational Academy of Sciences
_c1977
942 _cBK
999 _c33725
_d33725