Papers, 1978.
Related Entities
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Butler, B. Robert
http://n2t.net/ark:/99166/w6w98j87 (person)
Frison, George C.
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There are 2 Entities related to this resource.
http://n2t.net/ark:/99166/w6w98j87 (person)
http://n2t.net/ark:/99166/w6xs618d (person)