Ince, D.,
"Object-oriented software engineering",
.EXE, The Software Developer's Magazine, vol. 6, pp. 14–19, 1992.
Abstractthe major problem in OO is in identifying the objects described by a class, described an entity-life-history based approach to defining adt's and a lifecycle for it, a code that uses classes is based on data flow diagrams; most of the bubbles will represent operations implemented in classes. No layers
El-Sanousi, S. M., M. O. El-Shazly, A. Al-Dughyem, and A. A. Gameel,
"An outbreak of enterotoxaemia in cats",
Journal of Veterinary Medicine, Series B, vol. 39, no. 1-10: Wiley Online Library, pp. 403–409, 1992.
Abstractn/a