@book{ Solr-544169, title = {Symposium on direct shear testing of soils presented at the fifty-fifth annual meeting (Fiftieth Anniversary Meeting), American Society for Testing Materials, New York, N.Y., June 26, 1952.}, series = {Journal of ASTM International.}, editor = {Tschebotarioff, G. P.}, address = {Philadelphia, Pa.}, publisher = {American Society for Testing and Materials}, year = {1953}, note = {"ASTM Special Technical Publication No. 131."}, note = {"Fiftieth Anniversary Publication."}, url = {https://compass.astm.org/document/?contentCode=ASTM%7CSTP131-EB%7Cen-US} }