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Ross, B.; Yahner, R. H.; Karish, J. F.; Kubel, J. E. Pennsylvania Academy of Science; 1999 2007 p.3-7
Turner, G. D.; Van Meter, R. J.; Hertel, G. D. Pennsylvania Academy of Science; 1999 2007 p.8-13
BIOLOGY: Inventory of Mammals at Four National Parks in Pennsylvania
Ross, B. D.; Kubel, J. E.; Yahner, R. H.; Karish, J. F. Pennsylvania Academy of Science; 1999 2007 p.14-18
BIOLOGY: Chemical Analysis of Cores Obtained from an Acid Mine Drainage Vertical Flow Pond
Brenner, F. J.; Nowacki, E.; Busler, S.; Cooper, C. D.; Brenner-Zalewski, E. Pennsylvania Academy of Science; 1999 2007 p.19-22
Andraso, G. M.; Rutter, M. A.; Cherry, C. L.; Neal, A. A. Pennsylvania Academy of Science; 1999 2007 p.23-28
EDUCATION: Teaching Engineering Technology Courses in an On-Line Environment: A Case Study
Anwar, S. Pennsylvania Academy of Science; 1999 2007 p.29-34
EDUCATION: The Challenges of Establishing an Environmental Science Essay Contest for Girls
Guertin, L. A.; Sealy, A. B. Pennsylvania Academy of Science; 1999 2007 p.35-38