000 00304nam a2200109Ia 4500
100 _aGrinsted J & Bennet P M Eds
250 _aEdn 2
245 _aMethods in Microbiology Vol 21 - Plasmid Technology .-Edn 2
260 _bAcademic Press, London
082 _aG91/N88.21/B18379
300 _app 301; 23*30
999 _c21394
_d21394