Heath, O.V.S. <br/><br/>
Investigation by experiment 

 - London:   ELBS & Edward Arnold,   1973.  
 - 74p;   21.5cm 
<br/><br/><label>ISBN: </label>0-7131-2429-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology-Research
<br/><br/><label>Dewey Class. No.: </label>574.0724  / HEA