activities   -   actors   -   community places   -   events   -   ideas   -   imaginary landscape   -   physical landscape   -   physical processes
http://www.ics.forth.gr/isl/CRMsci/O23i_defines
http://www.ics.forth.gr/isl/CRMsci/O23i_defines

Associations of type (1)


http://www.ics.forth.gr/isl/CRMsci/O23i_defines
http://www.cidoc-crm.org/cidoc-crm/E89_Propositional_Object http://www.ics.forth.gr/isl/CRMsci/S4_Observation
tephrachronology  tephra