TY  - BOOK
AU  - Coupland, Robert T.
TI  - Ecology of mixed prairies in Canada
PY  - 1950///
CY  - (s.l.)
PB  - The author
KW  - Ecología vegetal
KW  - Praderas
KW  - Canadá
N1  - The Thesis (Doctor of Philosophy in Botany) -- University of Nebraska. Graduate College
ER  -