Summary technical report of Division 6, NDRC :
Volume 10: Basic methods for the calibration of sonar equipment.
APA Citation
United States. Office of Scientific Research and Development. National Defense Research Committee. (1946). Summary technical report of Division 6, NDRC: Volume 10: Basic methods for the calibration of sonar equipment. Washington, D.C..
MLA Citation
United States. Office of Scientific Research and Development. National Defense Research Committee. Summary Technical Report of Division 6, NDRC: Volume 10: Basic Methods for the Calibration of Sonar Equipment. Washington, D.C., 1946.