00349nam a2200121Ia 4500008004100000020001800041040003800059100001700097245004700114250000800161260004600169300001200215211228s9999    xx            000 0 und d  a0-435-82299-3  cJayakar Knowledge Resource Centre  aEveritt, B S 0aGraphical techniques for multivariate data  a1st  bHeinemann Educational BooksaLondonc1978  a117p p.