Books, Brochures, and Chapters>Book:  Arbib, Michael A. and Hesse, Mary B. (1986-11-28), The Construction of Reality, Cambridge Univ Pr, Retrieved on 2012-06-04

Source Material [books.google.com]

Periodicals>Journal Article:  Hesse, Mary B. ((Feb 1952), Operational Definition and Analogy in Physical Theories, British Journal for the Philosophy of Science , Retrieved on 2012-06-04