Reference materials for organic nutrient measurement
Subtitle: proceedings of a workshop held at the National Bureau of Standards, Gaithersburg, Maryland, October 23, 1980
By: edited by Sam A. Margolis.
Contributors: Margolis, Sam A.; National Bureau of Standards.
Series: NBS special publications -- 635
Publisher: U.S. Government Printing Office
Published: 1982
Place of publication: Washington
Language: eng