000 00314nam a2200133Ia 4500
001 28708
008 220811s1973 ###||||g |||| ||spa d
082 _a5766482
_bE77
100 _aEspejo T., Romelio
_97942
245 0 _aBacteriofagos
264 _c1973
942 _cBK
_2ddc
035 _a5766482 -E77-Bacteriofagos-
999 _c6208
_d6208