Prockel, Mathias Autocad 11: trainer for beginners / By Mathias Prockel - 1st ed. - New Delhi : Galgotia Publication Pvt Ltd , 1991. - viii,116p. ; 22 cm. ISBN: 8185623848 Subjects--Topical Terms: InstallationConstruction in 2 D areaOutput of drawings Dewey Class. No.: 620.00420285 / PROM