Roubik Gregorian

Introduction to CMOS OP-AMPs and Comparators (A Wiley-Interscience publication) by Roubik Gregorian WileyBlackwell Hardcover 15 July 1999 from£87.95 | RRP: ~~£87.95~~
The Great Wheel by Joyce Gregorian Ace Books Paperback 1 April 1987 from£4.42 | RRP: ~~£2.32~~
Castledown by Joyce Ballou Gregorian Ace Books Paperback 1 May 1983 from£3.88 | RRP: ~~£2.68~~