Cowan, S. T. Cowan and Steel's manual for the identification of medical bacteria / by S. T. Cowan and Kenneth John Steel ; edited and revised by G. I. Barrow and R. K. A. Feltham - 3rd ed. - London : Cambridge University Press, 1993 - xix, 331 p. : ill. ; 26 cm. ISBN: 0521326117 RM191.70 0521543282 (paperback) RM257.60 Subjects--Topical Terms: Bacteria--Classification National Library of Medicine Call No.: QW15 / .C874 1993 9