003320000a22001330004500060000800000082002200008100002200030100002200052245002900074260002800103260000900131300000800140650005000148  a100  a576.640 28 MET.05  aKoprowski, Hilary  aMaramorosch, Karl  aMethods in Virology V. 5  aNewyork, Academic press  c1971  a530  aVirology/ virus studies/ viral DNA/ Viral RNA