[Reorientation of Swiss internal migration].
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"E. G. Ravenstein proposed 'laws of migration' to explain the movement of population in the British Isles from data in the 1881 census. Here, migration in Peru is studied using data from the 1981 census to ascertain the extent to which Ravenstein's 'laws' hold for a different country at a different time.... In conclusion, it is a salutory exercise to apply Ravenstein's seven laws and other findings to Peru and to see how, in a different environment a good time ago, someone could produce a model with wide applicability."
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