Diesel exhaust contamination of tunnel air /

by Holtz, John C., Dalzell, Robert W.
Published 1968

Diesel engines underground.

by Holtz, John C., Berger, L. B. (Lawrence Bursley), 1898-1968, Elliott, M. A. (Mark Andrew), Schrenk, H. H. (Helmuth Herman), 1902-
Published 1943