000 00284nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a630
245 _aJournal of Agriculture of the University of Puerto Rico Vol.88-89 No-1-4
260 _aPiedras
_bUniversity of Puerto Rico Rio
_c2004-2005
999 _c80240
_d80240