Pepper IL & Gerba CP <br/><br/>
Environmental microbiology .-0-12-550656-2 

 -  Elsevier Inc, Amsterdam, USA 
<br/><br/><label>ISBN: </label>0-12-550656-2 
<br/><br/><label>Dewey Class. No.: </label>G91:55/P05/B25817