Krieg, N.R <br/><br/>
Bergey's Manual of Systematic Bacteriology; Vol, 4 
N.R, Krieg 
 - 2nd ed. 
 - London  Springer (India) Pvt Ltd  2011 
 - xxvi, 949p. 
<br/><br/><label>ISBN: </label>9780387950426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bacteria -- Classification.
<br/><br/><label>Dewey Class. No.: </label>579.3012 KRI