Columella, Lucius Junius Moderatus..
On agriculture. Volume III.. Books X-XII ; On trees. /
edited and traslated by E.S. Forster and E.H. Heffner 
. - Cambridge ; London  : Harvard University Press ; William Heinemann Ltd.,  1993 
. - VIII, 435 p.  17 cm. 
 - ((The Loeb classical library ; 408) )
<br/><label>  ISBN: </label>0-674-99449-3