Hanson, L. P. <br/><br/>
Plant growth regulators/ 
by L. P. Hanson 
 - Park Ridge, N.J:  Noyes Data Corp,  1973. 
 - x, 276 p.:  ill.;   25 cm. 
<br/><br/><label>ISBN: </label>0815504950 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbicides--Patents.<br/> Plant regulators--Patents.