Pouwels, P. H. Cloning vectors : a laboratory manual / P. H. Pouwels, B. E. Enger-Valk, W. J. Brammar - Amsterdam : Elsevier North-Holland, 1985 - 1 v. (various pagings) ; 29 cm. Supplementary update 1986 ISBN: 0444904522 LCCN: 85-027537 Subjects--Topical Terms: Genetic vectors--Laboratory manuals