essential molecular biology : a practical approach / edited by T.A. Brown. - Oxford IRL Press at Oxford University Press, 1991. - xix; 299p. ill. : Pbk - The Practical approach series . ISBN: 0199631115 (pbk. : v. 1) : Subjects--Topical Terms: Molecular cloning.Recombinant DNA. LC Class. No.: QH442.2 / .E7 1991