TY - BOOK AU - TRB TI - Traffic control devices and rail-highway grade grossings SN - 0-309-04466-9 U1 - 388.3122 PY - 1987/// CY - Washington PB - The World Bank KW - MCE N1 - 0; 0; 0; 388_312200000000000_TRA; 0; 0; 0; 388_312200000000000_TRA ER -