dykes, f. j. <br/><br/>
general science  notes /  [[Book] :] 
f. j ,dykes. 
 - Toronto :  Coles Publishing company limited,  1968. 
 - 109 p. :  ill, ;  18 cm. 
<br/><br/><label>Dewey Class. No.: </label>500 
<br/><br/><label>National Library of Medicine Call No.: </label>500  / DG