A technology-relative computer-aided design system: Abstract representations, transformations, and design tradeoffs.

Edward A. Snow Daniel P. Siewiorek Donald E. Thomas A technology-relative computer-aided design system: Abstract representations, transformations, and design tradeoffs. 220-226 1978 DAC http://dl.acm.org/citation.cfm?id=803091 conf/dac/1978 db/conf/dac/dac1978.html#SnowST78