TY  - BOOK
AU  - Collard Francois
TI  - On the threshold of central Africa :  A record of twenty years lonnering among the Barotsi of the Upper Zambesi
T2  - Cass library of African studies , ed missionary researches and travels, ed by Robert I Rotherg; 19
U1  - U8:62:M8, L1-;1 
PY  - 1971///
CY  - London
PB  - Frank Cass      
KW  - GEOGRAPHY
ER  -