Ting, William, <br/><br/>
Determination of pinus species by pollen statistics / 
William Ting. 
 - 186 páginas :  ilustraciones. . 
 - University of California publications in geological sciences ;  volume 58 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANICA.<br/>CONIFERAS.<br/>PINACEAS.<br/>PINOS.<br/>POLEN.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>CALIFORNIA.<br/>ESTADOS UNIDOS.
<br/><br/><label>Dewey Class. No.: </label>582.475:581.081.3[794]