Yoshihiro Tohma Takuya Iwata Fault-tolerant neural networks with higher functionality. 22-33 1999 30 Systems and Computers in Japan 10 http://dx.doi.org/10.1002/(SICI)1520-684X(199909)30:10<22::AID-SCJ3>3.0.CO;2-D db/journals/scjapan/scjapan30.html#TohmaI99