TY  - BOOK
AU  - B L Davies
AU  -  A J Robotham  A Yarwood
TI  - Computer aided drawing and design
SN  - 0-442-31291-1
U1  - 1.6424 
PY  - 1991///
CY  - London
PB  - Chapman and Hall
N1  - B L Davies; A J Robotham & A Yarwood: Computer aided drawing and design.  (1st Ed)  London.  Chapman and Hall, 1991. 0-442-31291-1--(001.6424DAV)
ER  -