TY - BOOK AU - Johnson,Douglas H. AU - Anderson,David M. TI - The ecology of survival: case studies from Northeast African history SN - 0813307279 AV - GF720 .E26 1988 U1 - 304.2096 PY - 1988/// CY - London PB - Lester Crook Academic Publishing KW - Human ecology KW - Africa Northeast ER -