Lavachery, Philippe (2001). „The Holocene Archaeological Sequence of Shum Laka Rock Shelter (Grassfields, Western Cameroon)”. African Archaeological Review. 18 (4): 213—247. S2CID128543496. doi:10.1023/A:1013114008855..
Cornelissen, Els (2003). „On Microlithic Quartz Industries at the End of the Pleistocene in Central Africa: The Evidence from Shum Laka (NW Cameroon)”. African Archaeological Review. 20 (1): 1—24. S2CID162074445. doi:10.1023/A:1022830321377..
Lavachery, Philippe (2001). „The Holocene Archaeological Sequence of Shum Laka Rock Shelter (Grassfields, Western Cameroon)”. African Archaeological Review. 18 (4): 213—247. S2CID128543496. doi:10.1023/A:1013114008855..
Cornelissen, Els (2003). „On Microlithic Quartz Industries at the End of the Pleistocene in Central Africa: The Evidence from Shum Laka (NW Cameroon)”. African Archaeological Review. 20 (1): 1—24. S2CID162074445. doi:10.1023/A:1022830321377..