00463nam a22001577a 4500008004100000041002300041082001300064100002100077245004700098260004100145300002600186650001600212700002100228952004300249999001300292260321b        |||||||| |||| 00| 0 eng d  aEspañol o Ingles  a574 B167  aJeffrey J. Baker  aBiología e investigación científica   bFondo Educativo Interamericanoc1970  a666p. :bil. ;c24cm.  aBiología   aGarland E. Allen  aBIBLCUNORIbBIBLCUNORIyLIBRO FÍSIa  c532d532