(1981). Petrographic examination of several four-year-old laboratory developed grout mixtures: Technical report. National Technical Information Service, U.S. Department of Commerce.
Chicago-Zitierstil (17. Ausg.)Petrographic Examination of Several Four-year-old Laboratory Developed Grout Mixtures: Technical Report. Springfield, VA: National Technical Information Service, U.S. Department of Commerce, 1981.
MLA-Zitierstil (9. Ausg.)Petrographic Examination of Several Four-year-old Laboratory Developed Grout Mixtures: Technical Report. National Technical Information Service, U.S. Department of Commerce, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.