TY - BOOK ED - American Society of Testing and Materials. TI - Significance of test and properties of concrete and concrete aggregates: A resume of present information on the significance of the properties of concrete and concrete agregates and the tests by which they are studied and determined T2 - ASTM special technical publication AV - TA440 S54 PY - 1956/// CY - Philadelphia PB - American society of testing materials KW - Concreto KW - Pruebas N1 - The publication is being issued under the sponsorship of committee c-9 on concrete and concrete aggregates" - del pref ER -