Wellnitz, William R. <br/><br/>
Study guide to accompany microoganisms in our word./ 
William R Wellnitz, Ronald M.  Atlas 
 - USA:  Mosby.  1995. 
 - iv, 200p.  28 cm. 
<br/><br/><label>ISBN: </label>0815103360 
<br/><br/><label>LC Class. No.: </label>QR41.2  / .W46 1995