TY - BOOK ID - 140823695 TI - Shore scleroscope hardness tests made on Mohs'scale. Minerals from talc to quartz, inclusive PY - 1954 PB - Urbana Ill. University of Illinois, Department of mining and metallurgical engineering DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140823695 AB - ER -