Grigg, David B., 1934- The agricultural systems of the world : an evolutionary approach / D. B. Grigg

The agricultural systems of the world : an evolutionary approach / D. B. Grigg . - xxa Cambridge xxa-fimyyc Cambridge University Press yyc-fim, rep. 1984 . - x, 358 p. : il., mapas, gráfs., tabs. 23 cm . - (Cambridge geographical studies; 5)
0521098432 brochado
Geografia humana
Geografia rural
Agricultura
Séc. 19-20

911.3(100)"18/19"
631(100)"18/19"