The Agricultural Systems of the World : an evolutionary approach. /
Grigg, D.B.
The Agricultural Systems of the World : an evolutionary approach. / D.B. Grigg - New York; Cambridge University, c1974. - ix, 358p. : ills 23Cm.
Include index
Bibliography : p.308-343.
0 521 09843 2
Agriculture
631.5 / G857a
The Agricultural Systems of the World : an evolutionary approach. / D.B. Grigg - New York; Cambridge University, c1974. - ix, 358p. : ills 23Cm.
Include index
Bibliography : p.308-343.
0 521 09843 2
Agriculture
631.5 / G857a