TY - BOOK AU - O'Sullivan,John AU - O'Sullivan,Tadgh AU - Wade,Gabriel TI - Understanding technical graphics SN - 9780717138296 (pbk.) : U1 - 741.6 22 PY - 2006/// CY - Dublin PB - Gill & Macmillan KW - Graphic arts KW - Technique KW - Technical illustration ER -