Geological
Contributors: National Institute of Standards and Technology (U.S.)
Series: Standard reference materials
Publisher: U.S. Dept. of Commerce, National Institute of Standards and Technology
Published: 1989
Place of publication: Gaithersburg, MD
Language: eng
Subjects: Ores -- Standards; Rocks -- Standards; Clay -- Standards; Refractory materials -- Standards
Notes: Shipping list no.: 89-256-P