Autocad training manual for architects, engineers, surveyors, etc.. ... 
/ comp. by P.M. Ideals 
. - [S.l.]  : [S. n.], 2006
. - 29 p.  : ill., couv. ill.  ; 30 cm. 
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>681.3.056.