Cowan and steel's manual for the identification of medical bacteria 
edited and revised by G.I. Barrow and R.K.A., Feltham. 
 - 3rd ed. 
 - Cambridge  Cambridge University Press  1993 
 - xix, 331p., 24cm. 
<br/><br/><label>ISBN: </label>0 - 521 - 32611 - 7. 
<br/><br/><label>Dewey Class. No.: </label>616.014  / C67C