TY - BOOK TI - Natural aggregate: building America's future T3 - US Geological Survey circular Public issues in earth science AU - Langer, William H. and Glanzman, V. M. CY - Washington, DC PB - United States Government Printing Office PY - 1993 PY - 1993 LA - English KW - Aggregates (Building materials) KW - United States KW - USA KW - Natürliche Ressourcen KW - Natürlicher Baustoff KW - Mineralischer Baustoff KW - Nichtmetallischer Baustoff KW - (DE-627) KW - Baustoffindustrie KW - (DE-627) KW - USA KW - Zuschlagstoff KW - Natürliche Ressourcen KW - (DE-627) N1 - Literaturverz. S. 38 UR - https://katalog.ub.tu-freiberg.de/Record/0-1115711652 ER -