Walker, T. Stuart. Microbiology / T. Stuart Walker. - Philadelphia : W.B. Saunders Co., c1998. - ix, 504 p. : ill. ; 28 cm. - Saunders text and review series . ISBN: 0721646417 (pbk.) Subjects--Topical Terms: Medical microbiology.Microbiology. LC Class. No.: QR46 / .W245 1998 Dewey Class. No.: 616/.01