EFFICIENCY OF WHATMAN NO. 41 FILTER MEDIA AGAINST A POLYDISPERSE SOLID AEROSOL: INTERIM REPORT [report]

H. J. Ettinger, T. M. Panowski, C. E. Breckinridge
1968 unpublished
doi:10.2172/4509050 fatcat:n4nw4ato4fhinffsu7ablpigvq