000 00309nam a2200109Ia 4500
001 MPKV111335
008 120911s9999 xx 000 0 und d
082 _a633.18
245 _aIRRI Research paper Series Vol. No.86-98 , 102-116
_c;
246 _aIRRI Research paper Series
260 _aPhillippines
_bIRRI
_c1983
999 _c74634
_d74634