Progress in Agricultiral Physics and Engineering 

 - UK  C.A.B. International  1991 
<br/><br/><label>ISBN: </label>0 85198 705 2 
<br/><br/><label>LC Class. No.: </label>630.23/PRO  / 3 
<br/><br/><label>Dewey Class. No.: </label>630.23/PRO  / 3