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1
by Bradt, R. C., Hasselman, D. P. H., Lange, F. F.
Published 1974
Springer US
“..., Pennsylvania. Special appreciation is extended to the expert organization provided by the J. Orvis Keller...”
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2
by Bradt, R. C., Tressler, R. E.
Published 1975
Springer US
“... for her excellent program organization and planning. Finally, we also wish to thank our secretaries...”
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3
by Bradt, R. C., Hasselman, D. P. H., Lange, F. F.
Published 1978
Springer US
“... expertise in planning and organization was indispensable; Dr. Fred R. Matson for his interesting after...”