Basic methods for the calibration of sonar equipment
United States. National Defense Research Committee.
creator
United States. Office of Scientific Research and Development. National Defense Research Committee.
creator
text
book
Washington, D.C
1946
1946
ENG
Scientific Research and Development Summary Report. Division 6, v. 10
https://www.biodiversitylibrary.org/bibliography/38766
6686536
10.5962/bhl.title.38766
NcD