TY - JOUR PY - 1975// TI - Human factors in urban transportation systems JO - Human factors A1 - Adams, S. K. A1 - Hoag, L. L. SP - 119 EP - 131 VL - 17 IS - 2 N2 - Abstract unavailable. LA - SN - 0018-7208 UR - http://dx.doi.org/ ID - ref1 ER -