Erdtman, G. (Gunnar),  1897- <br/><br/>
An introduction to pollen analysis / 
by G. Erdtman, foreword by Roger P. Wodehouse 
 - Mass., :  Waltham,  1954 
 - xv, 239 p. :  ill. , ports. ;  26 cm. 
<br/><br/>'References' at end of each chapter. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollen, Fossil