Energy management and agriculture  : proceedings of 
/ The first international summer school in Agriculture; ed. by D.W.Robinson and R.C.Mollan 
. - Dublin  : Royal Dublin society, 1982
. - 441 p.  ; 27 cm. 
<br/><br/>bibliog. 
<br/><br/><label>ISBN: </label>0444995773 
<br/><br/><label>Source: </label> Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>631.1.