TY - BOOK AU - Calladine, C. R. AU - Drew, Horace R. TI - Understanding DNA: the molecule and how it works SN - 0121550885 PY - 1997/// CY - San Diego PB - Academic Press KW - Cloning, Molecular KW - DNA, Recombinant KW - Genetic engineering KW - Molecular biology N1 - Includes bibliographical references and index ER -