Tyrer, F. <br/><br/>
Biology in the service of man 

 -  Longmas,  1956 
 - 312p.;  ill.  22cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences and mathematics
<br/><br/><label>Dewey Class. No.: </label>574  / TYR