TY - BOOK ED - Sieveking,G. De. G. TI - Human uses of flint and chert SN - 0521262534 U1 - 930.1 PY - 1987/// CY - Cambridge PB - Cambridge university KW - Flint-Europe-Congresses-Chert-Europe-Congresses-Micropaleontology-Europe-Congresses-Stone implements-Europe-Congresses- N1 - L 60.00 ER -