Kramer, Joseph. <br/><br/>
Relative efficiency of roots and tops of plants in protecting the soil from erosion 

 - (s.l.) :  University of Nebraska,  1936 
 - 94 p.  : ilus. 
 - Contribution from the department of botany  ; 99 .
 - Contribution from the department of botany  ; 99 .
<br/><br/><label>LCCN: </label>29284 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Erosión--Prevención y control.