TY - MON AU - Rodrigues, Fernando Peres TI - Modulus of elasticity of a rock obtained from moduli of elasticity of its constituents T2 - Memórias VL - 453 PY - 1974/// CY - Lisboa PB - Lab. Nac. de Engenharia Civil KW - Engenharia Civil KW - 624 PP - Lisboa SP - 18, [2] p. PB - Lab. Nac. de Engenharia Civil ER -