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Derge, K. L.; Yahner, R. H.; Mravintz, J. Pennsylvania Academy of Science; 1999 2001 p.43-49
Campbell, E. V.; Orolaza-Halbrendt, N.; Hickey, K. D.; Cavaliere, A. R. Pennsylvania Academy of Science; 1999 2001 p.50-55
BIOLOGY: Plant Communities Characteristics During Succession Following Disturbance
Erlach, N. J.; Brenner, F. J.; Bodamer, M. Pennsylvania Academy of Science; 1999 2001 p.56-61
BIOLOGY: Nematode Parasites of the Eastern Chipmunk from Armstrong County, Pennsylvania
Ehman, K. D. Pennsylvania Academy of Science; 1999 2001 p.62-65
EDUCATION: Study Habits of Junior College Students in Science and Mathematics Courses
Tarutis, W. J. Pennsylvania Academy of Science; 1999 2001 p.66-71
EDUCATION: Are Tutorials Beneficial in a University General Chemistry Program?
Brenner-Zalewski, E. K. Pennsylvania Academy of Science; 1999 2001 p.72-76
RESEARCH NOTE: Health and Education Outreach Project for Pennsylvania Migrant Farm Workers
Much, D. H.; Martin, J. Pennsylvania Academy of Science; 1999 2001 p.77-79
COMMENTARY: Energy Resources: Availability and Consumption
Miller, E. W. Pennsylvania Academy of Science; 1999 2001 p.80-83