Roger Melen And Harry Garland Understanding Ic Operational Amplifiers / Roger Melen And Harry Garland - 3RD - Usa : Howard W. Sams And Co, 1978 - 160 pages - Vol-1 . Shelf No. 43.1 Condition: FAIR Paperback ISBN: 0-672-21511-X Subjects--Topical Terms: ELECTRONICS Dewey Class. No.: 621.38 / R.621