Faegri, Knut. <br/><br/>
The principles of pollination ecology 
by K. Faegri and L. van der Pijl. 
 - [1st ed.]. 
 - Toronto  New York  Pergamon Press  [1966] 
 - ix, 248 p.  illus.  24 cm. 
<br/><br/>Bibliography: p. 223-234. 
<br/><br/><label>LCCN: </label>64022815 //r922 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilization of plants.<br/>Botany--Ecology.
<br/><br/><label>LC Class. No.: </label>QK926  / .F3 1966 
<br/><br/><label>Dewey Class. No.: </label>581.1662