Proceedings and papers of the Twenty-second Annual Conference of the California Mosquito Control Association : at University of California, Berkeley and Hotel Claremont, Oakland, December 2, 3, and 4, 1953 / edited by Harold Farnsworth Gray ; publications committee, Harold F. Gray, John R. Walker, G. Edwin Washburn.
California Mosquito Control Association. Conference 1953 : Berkeley, Calif. and Oakland, Calif.) | Date: [1953?]