Air samplers: Filter sequences for air samplers, Al Lazrus and Bruce Gandrud (4287), 1977-11-01

Air samplers: Filter sequences for air samplers, Al Lazrus and Bruce Gandrud (4287), 1977-11-01, - 02 COMM. UCAR Communications Records, - 02-COMM. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/16561 Accessed December 27, 2025.