00367nam a2200121Ia 4500082002000000100001800020245008000038260004300118300002100161490005300182500000500235700000500240  a519.53bG662.CM  aGordon, A. D.  aClassification; methods for the exploratory analysis of multivariate datab  aLondonbChapman & Hall/CRC Pressc1981  axii, 193p. Index  aMonographs on Applied Probability and Statistics  a  a