GRIGG, D. B.
The Agricultural System of the World: An Environmental Approach. - New York; Cambridge University Press, 1974. - ix, 358 p. ill.
Includes Appendix, Bibliography and Index.
9780521098434
630 GRI.
The Agricultural System of the World: An Environmental Approach. - New York; Cambridge University Press, 1974. - ix, 358 p. ill.
Includes Appendix, Bibliography and Index.
9780521098434
630 GRI.