TY  - BOOK
AU  - Levens,Alexander
AU  - Chalk,William
TI  - Graphics in engineering design
SN  - 0471014788
PY  - 1980///
CY  - New York
PB  - Wiley
KW  - Engineering graphics
KW  - Design, Industrial
N1  - Second ed. published in 1968 under title: Graphics, analysis and conceptual design; Includes indexes
ER  -