@inproceedings{WL1995,
author = {J.-H. Wang and  J.H. Lin},
title = {Qualitative analysis of the BP composed of product units andsumming units},
booktitle = {1995 IEEE International Conference on Systems and  Man and Cybernetics({ICSMC95})},
city = {Vancouver},
country = {Canada},
pages = {35--39},
year = {1995}
}