Swedlund, Alan C..
Demographic Anthropology / - 1st ed / - Lowa : WM.C. Brown Company Publishers , 1985 - p.70 :
0-697-07543-5
Sociology
Y:5 / L6;1
Demographic Anthropology / - 1st ed / - Lowa : WM.C. Brown Company Publishers , 1985 - p.70 :
0-697-07543-5
Sociology
Y:5 / L6;1