1. Hannah, K.J., Ball, M.J.: Strategic Information Management in Hospitals An Introduction to Hospital Information Systems. Springer Science Business Media, New York (2004)
2. Lockheed Aircraft Corporation, Lockheed Hospital Information System, p. 82 (1965)
3. Gall, J.E., Norwood, D.D., Hospital, E.C.: Demonstration and Evaluation of a Total Hospital Information System. NCHSR research summary series, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Services Research, U.S. Dept. of Health, p. 38 (1977)
4. Krobock, J.R.: A taxonomy: hospital information systems evaluation methodologies. J. Med. Syst. 8, 419–429 (1984)
5. Rubinoff, M., Yovits, M.M.C.: Perspectives in clinical computing. Adv. Comput. 16, 128–177 (1977)