THE SPREAD OF FOOD-PRODUCTION IN SUB-SAHARAN AFRICA

[31] HIERNAUX J, 1960, ACAD ROY SCI OUTRE M, V60, P1

[32] Leakey L.S.B., 1935, STONE AGE RACES KENY

[33] Leakey LSB., 1931, STONE AGE CULTURES K

[34] LEAKEY LSB, 1956, ANN REPORT CORYNDON

[35] Leakey M.D., 1945, T ROY SOC S AFR, V30, P271

[36] Leakey M.D., 1950, EXCAVATIONS NJORO RI

[37] LEAKEY MD, 1948, CORYNDON MUSEUM OCCA

[38] LHOTE H, COMMUNICATION

[39] LOWE CV, 1952, GEOL SURVEY UGANDA M, P6

[40] MAUNY R, 1952, B IFAN, V14, P546

[31] HIERNAUX J, 1960, ACAD ROY SCI OUTRE M, V60, P1

[32] Leakey L.S.B., 1935, STONE AGE RACES KENY

[33] Leakey LSB., 1931, STONE AGE CULTURES K

[34] LEAKEY LSB, 1956, ANN REPORT CORYNDON

[35] Leakey M.D., 1945, T ROY SOC S AFR, V30, P271

[36] Leakey M.D., 1950, EXCAVATIONS NJORO RI

[37] LEAKEY MD, 1948, CORYNDON MUSEUM OCCA

[38] LHOTE H, COMMUNICATION

[39] LOWE CV, 1952, GEOL SURVEY UGANDA M, P6

[40] MAUNY R, 1952, B IFAN, V14, P546