TY  - BOOK
AU  - Lopez,Ulises M,b.1924
AU  - Warrin,George E.,1933-
TI  - Electronic drawing and technology
SN  - 0471023779
PY  - 1978///
CY  - New York
PB  - Wiley
KW  - Electronic drafting
N1  - Includes index; Bibliography: p. 257-258
ER  -