Computer Aided Drafting (CAD).

LEADER 00253pampa2200109 4500
001 0000034080_0008
005 20150326090000.0
002 0000000055
245 1 0 |a Computer Aided Drafting (CAD). 
300 |a 139p.:   |b col.illp.;   |c 31cm. 
999 |a 0000039393 
999 |a 0000039394