TY - BOOK AU - Williams,Trevor Illtyd AU - Schaaf,William E. AU - Burnette,Arianne E. TI - A history of invention: from stone axes to silicon chips SN - 0816040729 AV - T15 .W718 2000 U1 - 609 21 PY - 2000/// CY - New York PB - Checkmark Books KW - Technology KW - History N1 - Includes bibliographical references and index ER -