TY - BOOK AU - Towers, T. D. TI - Towers international digital IC selector: specification data for the identification, selection and substitution of opamp linear IC's U1 - 621.38 PY - 1984/// CY - England PB - W. Foulsham and Company Limited KW - Engineering KW - Engineering -- General N1 - 797 / 12.03.1984; engineering, applied sciences, technical sciences ER -