Seamless Object-Oriented Software Architecture: Analysis and Design of Reliable Systems - By Kim Waldén, Jean-Marc Nerson; Prentice Hall, 1994, ISBN 0130313033. In development, OO methods stand out in promise for code reuse and making program analysis, design, implementation a seamless process. Free download file, PDF. - http://www.bon-method.com/book_print_a4.pdf
An Introduction to BON - Brief, very clear document treats main ideas; text, diagrams, bibliography. - http://www.cse.yorku.ca/~paige/Bon/bon.html
BON Method - Treats many aspects of BON: overview, reversibility, contracts, book, BONsai diagram tool; by Kim Waldén, one of BON co-inventors. - http://www.bon-method.com/index_normal.htm
The BON Analysis and Design Method - BON: The analysis and design method for reliability, reusability and reversibility; description of benefits and key concepts, with links. Eiffel Software. - http://archive.eiffel.com/products/bon.html