00540nam a2200181Ia 4500003000400000008004100004020001500045082001600060100001900076245011400095250001200209260006200221300001400283650001800297650001800315650001300333650001200346OSt170901s1968    xx            000 0 und d  a0632068906  a575.1bH44G  aHayes, William 0aGenetics of Bacteria and their Viruses : studies in basic genetics and molecular biology / cby William Hayes  a2nd ed.  a.- Edinburghb: Blackwell Scientific Publicationsc, 1968  axvi,925p.  aPure Sciences  aLife Sciences  aGenetics  aViruses