TY  - BOOK
AU  - Grigg,David B.
TI  - The dynamics of agricultural change: the historical experience 
SN  - 0091477913
AV  - S419 G75 1982
PY  - 1982///
CY  - New York
PB  - ST. Martin'S press
KW  - Agriculture
KW  - History
KW  - Agricultural geography
N1  - Includes bibliographical references (p. 230-255) and index
ER  -