East Helena source appointment study
Subtitle: particulate source apportionment analysis using the chemical mass balance receptor model : prepared for A. David Maughan, Project Officer, Department of Health and Environmental Sciences, State of Montana
By: by James E. Houck ... [et al.].
Publisher: The Dept.
Published: 1982
Place of publication: Helena, Mont
Language: eng
Notes: "September, 1982."

Vol. 1 incomplete; p. 122- lacking.