TY - BOOK AU - Gruenberger,Fred AU - McCracken,Daniel D. TI - Introduction to electronic computers : : problem solving with the IBM 1620 T2 - Rand Corporation research study U1 - 004 PY - 1963/// [Printing 1966] CY - New York : PB - Wiley and Sones, KW - IBM 1620 (Computer) N1 - "Each chapter was published by the Rand Corporation as an independent paper."; Bibliography: p. 62-63 ER -