TY - BOOK ID - 140604002 TI - Standard reference materials : preparation of NBS copper-base spectrochemical standards AU - Michaelis, Robert E. AU - Flitsch, Richard AU - Wyman, Leroy L. PY - 1964 PB - Washington, D.C. United States Department of commerce DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140604002 AB - ER -