TY - JOUR AU - Brian Lawn C2 - Journal of the American Ceramic Society DA - 1998-05-04 LA - en M1 - 81 PB - Journal of the American Ceramic Society PY - 1998 TI - Indentation of Ceramics with Spheres: A Century After Hertz UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=850006 ER -