This term is defined in ECSS-S-ST-00-01C as
non-normative document providing background information, orientation, advice or recommendations related to one specific discipline or to a specific technique, technology, process or activity
This term is defined in ECSS-S-ST-00-01C as
non-normative document providing background information, orientation, advice or recommendations related to one specific discipline or to a specific technique, technology, process or activity