Ordnance maintenance :
observation telescopes M48 and M49.
APA Citation
United States. War Department. (1990). Ordnance maintenance: observation telescopes M48 and M49. [Washington, DC]: War Dept..
MLA Citation
United States. War Department. Ordnance Maintenance: Observation Telescopes M48 And M49. [Washington, DC]: War Dept., 1990.
Warning: These citations may not always be complete (especially for serials).