TECHNICAL MANUAL-ENEMY (GERMAN) TM-E9-228
2-CM FLAKVIERLING 38 (GERMAN 20-MM ANTIAIRCRAFT GUN, FOUR-BARRELED MOUNT)
WAR DEPARTMENT WASHINGTON APRIL 1,1943.
115 STRON,41 CZARNOBIAŁYCH FOTOGRAFI, 20 RYSUNKÓW.
ROZDZIAŁY:
I . GENERAL
II . DESCRIPTION AND FUNCTIONING
III . OPERATION .
IV . INSPECTION AND ADJUSTMENT
V . CARE AND PRESERVATION.
VI . DISASSEMBLY AND ASSEMBLY.
VII . FLAKVISIER 35
VIII . LINEALVISIER 21.
IX . 1-METER (39.37-INCH)-BASE RANGE FINDER
X . AMMUNITION
XI . SPARE PARTS AND ACCESSORIES
XII . 2-CM FLAK 30 
XIII . MATERIEL AFFECTED BY GAS
APPENDIX. GLOSSARY
INDEX