Dati [Data]

Hawkins, Donald T.  with L. Levy and K. Montgomery
[1988]  Knowledge Gateways :  the Building Blocks,
in "Information Processing & Management", vol. 24, n. 4

Hayes, Robert M.
[1993]  Measurement of Information
in "Information Processing & Management",  vol. 29, n. 1

Kaplan, Abraham
[1964]  The Conduct of Inquiry. Methodology for Behavioral Science, Chandler Publishing Company, Scranton, Pennsylvania

Palmer, Mickey A.
[1981]  The Architect's Guide to Facility Programming, The American Institute of Architects, Washington D. C.