Proceedings of the Pennsylvania Academy of Science

Bibliográfalaš dieđut
Materiálatiipa:	Elektrovnnalaš Áigečála
Giella:	eaŋgalasgiella
Almmustuhtton:	Penn State University Press
Fáttát:	Biological Sciences ; General Science ; Science & Mathematics ; Social Sciences ; Sustainability
Liŋkkat:	Full text available on JSTOR[1924-01-01 - 1987-01-01]

Interneahtta