000 00284nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a630
245 _aJournal of Agriculture of the University of Puerto Rico Vol 86-87 No-1-4
260 _aPiedras
_bUniversity of Puerto Rico Rio
_c2002-2003
999 _c79604
_d79604