Population and Environment
Population and Environment > 1997 > 19 > 1 > 15-51
Population and Environment > 1997 > 19 > 1 > 95-107
Population and Environment > 1997 > 19 > 1 > 53-86
Population and Environment > 1997 > 19 > 2 > 145-165
Population and Environment > 1997 > 19 > 2 > 167-182