Freeland, Peter <br/><br/>
Micro-organisms in action 

 - London:  Hodder & Stoughton,  1991. 
 - 110p. :  ill. ; 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0340532688 
<br/><br/><label>LC Class. No.: </label>QR41.2  / F87 1991