000 00303nam a2200109Ia 4500
008 220216s9999 xx 000 0 und d
100 _aWatson G A
245 0 _aCover plants in rubber cultivation
260 _bJournal of the Rubber Research Institute of Malaya
_c1957-8
300 _a18-Feb
942 _cJS
999 _c56477
_d56477