TY - GEN AU - Simmons, Joseph H AU - Mills, Susan A AU - Howell, Barbara F C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.74-510 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - Effect of phase separation on the physical and chemical properties of glasses-density and chemical durability: ER -