TY  - JA
AU  - Wishart,D.
TI  - Numerical classification method for deriving natural classes
PY  - 1969///
N1  - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0028-0836
T2  - Nature
ER  -