TY - BOOK ID - 139037875 TI - Transportation systems planning process PY - 1972 SN - 0309020662 PB - Washington (D.C.): National academy of sciences DB - UniCat KW - Highway planning KW - Congresses UR - https://www.unicat.be/uniCat?func=search&query=sysid:139037875 AB - ER -