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The agricultural systems of the world : an evolutionary approach / D. B. Grigg Book Publication Cambridge : Cambridge University Press, rep. 1984
Description x, 358 p. : il., mapas, gráfs., tabs. ; 23 cm LocationBiblioteca Vitorino Magalhães Godinho Availability Available (1).

Population growth and agrarian change : an historical perspective / David Grigg Book Publication Cambridge : Cambridge University Press, 1980
Description 11, 340 p- ; 23 cm LocationBiblioteca Mário Sottomayor Cardia Availability Available (1).