TY - JFULL ID - 137445201 TI - NIST standard reference materials. AU - Standard Reference Materials Program (National Institute of Standards and Technology (U.S.)) AU - National Institute of Standards and Technology (U.S.). PY - 1990 PB - Gaithersburg, MD : Standard Reference Materials Program, U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat KW - Materials KW - Standards KW - Standard Reference Materials Program (National Institute of Standards and Technology (U.S.)) UR - https://www.unicat.be/uniCat?func=search&query=sysid:137445201 AB - ER -