(1970). Determination of the in situ modulus of deformation of rock: A symposium presented at the winter meeting American Society for Testing and Materials Denver, Colo., 2-7 Feb. 1969. Philadelphia, PA.: American Society for Testing and Materials.
Παραπομπή Chicago StyleDetermination of the in Situ Modulus of Deformation of Rock: A Symposium Presented At the Winter Meeting American Society for Testing and Materials Denver, Colo., 2-7 Feb. 1969. Philadelphia, PA.: American Society for Testing and Materials, 1970.
Παραπομπή MLADetermination of the in Situ Modulus of Deformation of Rock: A Symposium Presented At the Winter Meeting American Society for Testing and Materials Denver, Colo., 2-7 Feb. 1969. Philadelphia, PA.: American Society for Testing and Materials, 1970.