TY - RPRT TI - Hydraulic performance of a full-scale townhouse drain-waste-vent system with reduced-size vents AU - Orloski, M J AU - Wyly, R S PY - 1975 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BSS 60 DO - 10.6028/NBS.BSS.60 ER -