TY  - BOOK
AU  - Joern,Anthony
AU  - Keeler,Kathleen H.
TI  - The changing prairie: North American grasslands 
SN  - 0195074106
AV  - QK110 C43 1995
PY  - 1995///
CY  - New York
PB  - Oxford University Press
KW  - Prairies
KW  - North America
KW  - Prairie ecology
KW  - Prairie conservation
N1  - Includes bibliographical references and index
ER  -