US Army, Technical Manual, TM 55-4920-431-13, AUXILIARY POWER UNIT ELECTRONIC SEQUENCE UNIT MULTI-PURPOSE TES SET, PART NO. 161226-200, (NSN 4920-01-121-0605),
US Army, Technical Manual, TM 55-4920-431-13, AUXILIARY POWER UNIT ELECTRONIC SEQUENCE UNIT MULTI-PURPOSE TES SET, PART NO. 161226-200, (NSN 4920-01-121-0605),