By Ham Norman D.   in Journal of the American Helicopter Society

ISSN:2161-6027|19|2|45-48

AHS International‎(1974)‎

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By Ham Norman D.   in Journal of the American Helicopter Society

ISSN:2161-6027|8|1|8-18

AHS International‎(1963)‎

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By Ham Norman D.   in Journal of the American Helicopter Society

ISSN:2161-6027|12|4|19-21

AHS International‎(1967)‎

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By Ham Norman D.   in Journal of the American Helicopter Society

ISSN:2161-6027|7|1|3-16

AHS International‎(1962)‎

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By Ham Norman D.   in Journal of the American Helicopter Society

ISSN:2161-6027|20|4|26-31

AHS International‎(1975)‎

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By Verhelst Norman D.   in Scandinavian Journal of Educational Research

ISSN:1470-1170|56|3|315-332

Routledge Ltd‎(2012)‎

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By Penny Norman D.   in Annals of the Entomological Society of America

ISSN:1938-2901|99|1|58-63

Entomological Society of America‎(2006)‎

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By Penny Norman D.   in Annals of the Entomological Society of America

ISSN:1938-2901|91|3|357-357

Entomological Society of America‎(1998)‎

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By Ham Norman D.   in Journal of the American Helicopter Society

ISSN:2161-6027|10|2|1-5

AHS International‎(1965)‎

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By Henderson Norman D.   in Behavior Genetics

ISSN:0001-8244|34|3|267-293

Springer Publishing Company ‎(2004)‎

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