This article incorporates
public domain material from
Federal Standard 1037C.
General Services Administration. Archived from
the original on 2022-01-22. (in support of
MIL-STD-188).
This article incorporates
public domain material from
Federal Standard 1037C.
General Services Administration. Archived from
the original on 2022-01-22. (in support of
MIL-STD-188).