Plant growth substances / 
edited by Folke Skoog 
 - Richmond, Virginia :  University of Wisconsin Press,  1951 
 - xiv, 476 p. ;  24 cm. 
<br/><br/>Bibliography : p. 475-476 
<br/><br/><label>ISBN: </label> USD 6.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vitamins<br/>Plants--Analysis
<br/><br/><label>Dewey Class. No.: </label>581.19