Kreuzer, Helen Recombinant DNA and biotechnology : a guide for teachers / Helen Kreuzer, Adrianne Massey - 2nd ed. - Washington, D. C. : ASM Press, 2001 - xvi, 648 p. : ill. (some col.), maps ; 28 cm. ISBN: 1555811752 Hadiah Subjects--Topical Terms: Recombinant DNAGenetic engineeringBiotechnology