Description
CSPRD01:
STIX™ Version 2.1
Committee Specification Draft 01 / Public Review Draft 01
26 July 2019
https://docs.oasis-open.org/cti/stix/v2.1/csprd01/stix-v2.1-csprd01.docx
https://docs.oasis-open.org/cti/stix/v2.1/csprd01/stix-v2.1-csprd01.html
https://docs.oasis-open.org/cti/stix/v2.1/csprd01/stix-v2.1-csprd01.pdf