Sampling for microbiological analysis :  principles and specific applications 
 - 2nd ed. 
 - Oxford  Blackwell Scientific  1986 
 - xxiv,293p.  24 cm. 
<br/><br/>SR 
<br/><br/><label>ISBN: </label>0632015675 
<br/><br/><label>Dewey Class. No.: </label>664.07  / I