1. Object Management Group, “BMI Standard Specification 2.0.2,” (2013), http://www.omg.org/spec/BPMN//2.0.2/PDF.
2. Simpson S., “An XML Representation for Crew Procedures, Final Report NASA Faculty Fellowship Program (Johnson Space Center),” (2004).
3. White S., “Business Process Modeling Notation v1.0.” for the Business Process Management Initiative (BPMI) (May 2004).
4. Object Management Group, “BMI Standard Specification 1.1,” (2008), http://www.omg.org/spec/BPMN/1.1/.
5. Object Management Group, “BMI Standard Specification 1.2,” (2009), http://www.omg.org/spec/BPMN/1.2/.