000 00354nam a2200145Ia 4500
008 180816s9999 xx 000 0 und d
082 _aFil 574 G319s
100 _aGerona, Zonia Medina
245 0 _aScience and technology today :biology 1
260 _aQuezon City
260 _bAbiva Pub. House
260 _c1989
300 _a330 p
942 _cBK
999 _c53791
_d53791