TY  - BOOK
AU  - Walker, John R.
AU  - Plevyak, Edward J.
TI  - Industrial arts drafting: language of symbols used in creative thinking, planning
U1  - 744.422 
PY  - 1960///
CY  - Chicago
PB  - The Goodheart-Willcox
KW  - Mechanical drawing
ER  -