Erdtman, G. (Gunnar), 1897- <br/><br/>
An introduction to pollen analysis 

 - Waltham, Mass.  Chronica Botanica  1943 
 - xv, 239 p.  il.; 27 cm. 
 - New series of plant science books  .
<br/><br/> Incluye: bibliografía e índices 
<br/><br/><label>Subjects--Topical Terms: </label><br/>POLEN<br/>PALINOLOGIA