Nucleair oefenprojectiel M173 voor 8 inch houwitser (203 mm) M110A2 gemechaniseerde houwitser, kaliber 8 inch (203 mm) Foreign weapons handbook / by Frank A. Moyer Visual aircraft recognition / Headquarters, Department of the Army - USA Field Manual, FM 44-30 This is armor - United States Department of the Army Pamphlet No. 360-2
