TY - JOUR AU - M Roche C2 - Civil Engineering For Practicing And Design Engineers DA - 1986-06-30 LA - en M1 - 5 PB - Civil Engineering For Practicing And Design Engineers PY - 1986 TI - Geometric Elements for Pipe Routing Using a Computer UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=820258 ER -