Robbins, Wilfred William,  1884-1952. <br/><br/>
Botany, an introduction to plant science 
[by] Wilfred W. Robbins, T. Elliot Weier [and] C. Ralph Stocking. 
 - Third 
 - New York,  Wiley  [1964] 
 - 614 p.  illus., maps, port.  27 cm.