TY - BOOK AU - Helms,Harry TI - Operational amplifiers: 1987 sources book, SN - 0136378773 PY - 1987/// CY - Englewood Cliffs, N. J. PB - Technipubs/Prentice-Hall KW - Operational amplifiers KW - Catalogs KW - Handbooks, manuals, etc N1 - Includes index ER -