TY  - BOOK
AU  - Prins AHJ
TI  - East African age-class systems:  An inquiry into th   
U1  - Y72:1.61.N5, J3 
PY  - 1953///
CY  - Greningen
PB  - Wolters          
KW  - Tribes
N1  - Bibiliography : P 127-29
ER  -