| AKT : A publication produced in electronic form |
| •owl:Thing |
| •PHILOSURFICAL-ENTITY |
| •CRM-ENTITY |
| •PERSISTENT-ITEM |
| •THING |
| •MAN-MADE-THING |
| •CONCEPTUAL-OBJECT |
| •MANIFESTATION |
| •PUBLICATION |
| •ELECTRONIC-PUBLICATION |
Class(ELECTRONIC-PUBLICATION partial PUBLICATION
restriction(HAS-PHYSICAL-MEDIUM allValuesFrom(ELECTRONIC-MEDIUM)))