Comment in

• Dating and context of three middle stone age sites with bone points in the Upper Semliki Valley, Zaire.

  Brooks AS, Helgren DM, Cramer JS, Franklin A, Hornyak W, Keating JM, Klein RG, Rink WJ, Schwarcz H, Smith JN, et al. Brooks AS, et al. Science. 1995 Apr 28;268(5210):548-53. doi: 10.1126/science.7725099. Science. 1995. PMID: 7725099
• A middle stone age worked bone industry from Katanda, Upper Semliki Valley, Zaire.

  Yellen JE, Brooks AS, Cornelissen E, Mehlman MJ, Stewart K. Yellen JE, et al. Science. 1995 Apr 28;268(5210):553-6. doi: 10.1126/science.7725100. Science. 1995. PMID: 7725100