What does Systems Control Lett. stand for?

Systems Control Lett. stands for "Systems and Control Letters"

How to abbreviate "Systems and Control Letters"?

"Systems and Control Letters" can be abbreviated as Systems Control Lett.

What is the meaning of Systems Control Lett. abbreviation?

The meaning of Systems Control Lett. abbreviation is "Systems and Control Letters"

What does Systems Control Lett. mean?

Systems Control Lett. as abbreviation means "Systems and Control Letters"