Bayer, Frederick M. <br/><br/>
The free-living lower invertebrates 
[by] Frederick M. Bayer and Harding B. Owre. 
 - New York,  Macmillan  [1967, c1968] 
 - viii, 229 p.  illus.  26 cm. 
<br/><br/><label>LCCN: </label>67013600  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.<br/>Invertebrados
<br/><br/><label>LC Class. No.: </label>QL362  / .B3 
<br/><br/><label>Dewey Class. No.: </label>593