[1] schematron.com (2017-03-16 20:26:43 +09:00) http://schematron.com/
[2] schematron.com » ISO Schematron 2016 Released! (2017-03-16 20:46:44 +09:00) http://schematron.com/2016/11/iso-schematron-2016-released/
[3] GitHub - Schematron/schema: Unofficial copy of schema(s) for Schematron., 2024-09-08T14:48:13.000Z https://github.com/Schematron/schema