TY - CONF T1 - On the uncertainties in outdoor sound propagation over a porous ground JO - Proceedings of the Institute of Acoustics PY - 2019/01/01 AU - Parry JA AU - Horoshenkov KV AU - Williams DP ED - SN - 9781906913335 VL - 41 SP - 117 EP - 122 Y2 - 2024/10/19 ER -