Standard Reference Materials: Compilation. of Elemental Concentration Data for NBS Clinical, Biological, Geological, and Environmental Standard Reference Materials 1987 · ENGLISH · PDF View details →
Standard Reference Materials: Summary of Gas Cylinder and Permeation Tube Standard Reference Materials Issued by the National Bureau of Standards 1987 · ENGLISH · PDF View details →
Standard Reference Materials: Summary of the Coal, Ore, Mineral, Rock, and Refractory Standards Issued by the National Bureau of Standards 1985 · ENGLISH · PDF View details →