Huaiguo Fu Engelbert Mephu Nguifo Clustering Binary Codes to Express the Biochemical Properties of Amino Acids. 279-282 2004 conf/ifip12/2004ip Intelligent Information Processing http://dx.doi.org/10.1007/0-387-23152-8_36 db/conf/ifip12/iip2004.html#FuN04