TY - GEN AU - Bradley K Alpert AU - Yu Che C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2002-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.6623 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2002 TI - A representation of acoustic waves in unbounded domains: ER -