1. Ideas: a tool for VLSI CAD
2. R W Hartenstein,Hardware description languages, advances in CAD for VLSI, vol 7, (T Ohtsuki, Ed), Elsevier Science Publishers, Inc., North Holland, 1986.
3. IDEAL Language Specification Version 3, January 1989, IIT Bumbay, IIT Delhi & SCL Chandigarh, India.