Cambell, R. <br/><br/>
Microbial ecology/ 
R.Cambell 
 - Oxford:  Blackwell scientific publications,  1977 
 - vii, 148p. 
<br/><br/><label>ISBN: </label>06320003898 
<br/><br/><label>LC Class. No.: </label>QR 100 CAM 1977