1) Calvert, S., J. Goldshmid, D. Leith, N. Jhaveri ; PB-227, 307 Feasibility of Flux Force Condensation Scrubbing for Fine Particle Collection, 46 (1973) .
2) Calvert, S., J. Goldshmid, D. Leith, D. Metha ; PB-213, 016 Wet Scrubber System Study. Vol. 1, Scrubber handbook, 129 (1972) .