共 50 条
[41]
EUROPEAN POPULATION PATTERNS, CULTURAL PERSISTENCE, AND POLITICAL CHANGE IN RHODESIA
[J].
CANADIAN JOURNAL OF AFRICAN STUDIES-REVUE CANADIENNE DES ETUDES AFRICAINES,
1973, 7 (01)
:3-25
[45]
REGIONAL PATTERNS OF TECHNICAL CHANGE IN US AGRICULTURE 1950-1963
[J].
JOURNAL OF FARM ECONOMICS,
1967, 49 (1P1)
:199-&