Mertens, Thomas R <br/><br/>
Laboratory investigations in the principles of biology 

 - 2nd ed. 
 - Minneapolis:  Burgess Publishing,  1968. 
 -  iv, 178p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology-Laboratory manuals
<br/><br/><label>Dewey Class. No.: </label>574  / MEL