TY  - BOOK
AU  - Hoelscher,Randolph P.
TI  - Industrial production illustration for students, draftsmen and illustrators,
PY  - 1946///
CY  - [S.l.]
PB  - McGraw-Hill book company, inc
UR  - http://www.amazon.com/exec/obidos/ASIN/B0006AR2ZU/chopaconline-20
ER  -