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IP address: 35.171.159.141
Time: 2024-03-28T16:53:32Z
URL: http://scholar.google.com/scholar_lookup?title=Hierarchical+grouping+to+optimize+an+objective+function&year=1963&author=Ward&journal=J+Am+Stat+Assoc&volume=58&issue=301&pages=236-244&doi=10.1080%2F01621459.1963.10500845