@ARTICLE{Kirstein-NN-2012,
author = {Kirstein, {\relax St}ephan and Wersing, Heiko and Gross, Horst-Michael
and Koerner, Edgar},
title = {A Life-Long Learning Vector Quantization Approach for Interactive
Learning of Multiple Categories},
journal = {Neural Networks (NN)},
year = {2012},
volume = {28},
pages = {90--105}
}