TY - GEN ED - Society for experimental machanics ED - TI - Fracture of concrete and rock: SEM-RILEM international conference SN - 3-540-96880-6 U1 - 624.1834 PY - 1701///9, 1987 CY - New York PB - Springer-Verlag KW - Concrete-fracture-congresses KW - Fracture mechanics-congresses KW - Rock-fracture-congresses ER -