Annual reports of the technical committees for the 12-month period ending 30 May 1949.
APA Citation
Institute of Navigation. (1949). Annual reports of the technical committees for the 12-month period ending 30 May 1949. Washington.
MLA Citation
Institute of Navigation. Annual Reports of the Technical Committees for the 12-month Period Ending 30 May 1949. Washington, 1949.
Warning: These citations may not always be complete (especially for serials).