000 00249nam a2200121 a 4500
003 EIA
001 2219
942 _02
_2ddc
_cBK
245 _aBacteriófagos
260 _c1980
008 141112s1980 ck r 000 u spa d
082 _a576.6482
_bE77b
999 _c1249
_d1249