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DIN SPEC 91383 [Withdrawn] references following documents:

Document number	Edition	Title
ISO 10303-49	1998-06	Industrial automation systems and integration - Product data representation and exchange - Part 49: Integrated generic resources: Process structure and properties More
ISO 10303-50	2002-05	Industrial automation systems and integration - Product data representation and exchange - Part 50: Integrated generic resource: Mathematical constructs More
ISO 10303-50 Technical Corrigendum 1	2010-10	Industrial automation systems and integration - Product data representation and exchange - Part 50: Integrated generic resource: Mathematical constructs; Technical Corrigendum 1 More
ISO 10303-50 Technical Corrigendum 2	2014-07	Industrial automation systems and integration - Product data representation and exchange - Part 50: Integrated generic resource: Mathematical constructs; Technical Corrigendum 2 More
ISO 10303-501	2000-03	Industrial automation systems and integration - Product data representation and exchange - Part 501: Application interpreted construct: Edge-based wireframe More
ISO 10303-502	2000-03	Industrial automation systems and integration - Product data representation and exchange - Part 502: Application interpreted construct: Shell-based wireframe More
ISO 10303-503	2011-12	Industrial automation systems and integration - Product data representation and exchange - Part 503: Application interpreted construct: Geometrically bounded 2D wireframe More
ISO 10303-504	2011-12	Industrial automation systems and integration - Product data representation and exchange - Part 504: Application interpreted construct: Draughting annotation More
ISO 10303-505	2000-06	Industrial automation systems and integration - Product data representation and exchange - Part 505: Application interpreted construct: Drawing structure and administration More
ISO 10303-506	2018-11	Industrial automation systems and integration - Product data representation and exchange - Part 506: Application interpreted construct: Draughting elements More

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