The historiography of hunger: changing views on the world food problem, 1945-1980 [0.03%]
饥荒史学：1945-1980年世界粮食问题观念的变化
D Grigg
D Grigg
The author discusses changing views on the world food problem since 1945. "The extent of the problem has been a matter of debate as hunger cannot be directly measured; estimated minimum requirements for energy have been reduced since 1945 a...
Residential movement among the poor: the constraints on housing choice in Latin American cities [0.03%]
拉丁美洲城市中贫困人口的住宅迁移：住房选择的约束条件
A G Gilbert,P M Ward
A G Gilbert
"The paper examines the validity of current theories of intra-city migration, subjecting those theories to the test of explaining new data collected in a total of 13 low-income settlements in three Latin American cities: Bogota, Mexico City...
D Todd
D Todd
"This study attempts to trace the determinants of rural out-migration for a typical portion of the Canadian Prairies, namely agricultural Manitoba. In concentrating on the 'push' factors responsible for gross out-migration over the period 1...
C M Law,A M Warnes
C M Law
B Walter
B Walter
"A time-space model, based on Hagerstrand's (1969) methodology, is used to illustrate the diffusion of a migration-stream into new areas at destination and the associated changes in community characteristics at different stages in the settl...