TY - GEN AU - Ross, Malcolm AU - Knab, Larry C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1984-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.84-2905 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1984 TI - Selection, procurement, and description of Salem limestone samples used to study effects of acid rain: ER -