TY - BOOK ID - 138433886 TI - Economic analysis of the National Measurement System AU - Poulson, Barry W. AU - United States. PY - 1977 PB - Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138433886 AB - ER -