TY - BOOK AU - Chappell,Eric TI - Essentials Leaning AutoCAD Civil 2010 essentials : : Autodesk official training guide / SN - 9781897177778 U1 - 621.382/24/ C462e 23 PY - 2010/// CY - USA PB - Autodesk KW - AutoCAD Civil 3D KW - Civil engineering--Computer programs ER -