Thomasson, A. J. <br/><br/>
Soils and field drainage 

 - Harpenden :  Rothamsted Experimental Station,  1975 
 - 80 p.  : mapas 
 - Technical monograph  ; 7 .
 - Technical monograph  ; 7 .
<br/><br/><label>LCCN: </label>46432 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drenaje.