Pena, William Problem seeking : an architectural programming primer / by William M. Pena, Steven A. Parshall - 4th ed. - New York : Wiley, 2001 - 224 p. : ill. ; 22 cm. Includes bibliographical references (p. 217) and index ISBN: 0471126209 RM120.40 LCCN: 2001-026910 Subjects--Topical Terms: Architecture--Data processing