ASTM C848-88(1999)
Standard Test Method for Young's Modulus, Shear Modulus, and Poisson's Ratio For Ceramic Whitewares by Resonance
standard by ASTM International, 10/10/1999
ASTM E1668-95a(1999)
Standard Classification for Serviceability of an Office Facility for Amenities to Attract and Retain Staff
standard by ASTM International, 10/10/1999
ASTM E1662-95a(1999)
Standard Classification for Serviceability of an Office Facility for Sound and Visual Environment
standard by ASTM International, 10/10/1999