TY - BOOK AU - Brittain,James L. AU - Head,George O. AU - Schaefer,A.Ted TI - The AutoCAD productivity book: the non-programmer's guide to customizing AutoCAD SN - 0940087693 U1 - 620.004202855369 20 PY - 1991/// CY - Chapel Hill, NC PB - Ventana Press KW - AutoCAD N1 - Rev. ed. of: The AutoCAD productivity book / A. Ted Schaefer, James L. Brittain. 3rd ed. c1989; Includes bibliographical references (p. [257]) and index ER -