Boyle, Mike. AS biology specification (A) : module 1: molecules, cells and systems / Mike Boyle. - London : HarperCollins, 2000 - 48 p. ; 25 cm. - Collins student support materials for AQA / series consultant : Bill Indge. . ISBN: 0003277062 Subjects--Topical Terms: Cytology.Molecular biology. Dewey Class. No.: 570 / BOY