TY - GEN TI - Recent advances in the characterization of transportation geo-materials: proceedings, June 13-17, 1999, University of Illinois at Urbana-Champaign SN - 0784404372 U1 - 625.7 REC PY - 1999/// CY - Reston, VA PB - American Society of Civil Engineers KW - Road materials KW - Testing KW - Soils KW - Roads KW - Subgrades ER -