The following is the original POSC Epicentre Documentation Archive
Downloads:The v3.0 Epicentre specification is available at Epicentre_V30.zip.
The v3.0 Epicentre Methodology is available at EpicentreMethodology_v30.zip.
The v2.3 Projection Meta Model is available at ProjectionMetaModel_V23.zip.
The v2.3 Relational Implementation Methodology is available at RelationalImplementationMethodology_v23.zip.
The v2.3 Subsetting and Extension specification is available at SubsetAndExtension_v23.zip.
In each of the following specs, all of the above concepts were lumped into one overall specification which also included a DAE (Data Access and Exchange) spec, a CGM-PIP spec and Epicentre Subject Discussions.
The v2.2 specification is available at POSC_SIP_Specifications_v2.2_spec_disk.zip.
The v2.1 specification (requires FrameReader) is available at POSC_SIP_Specifications_v2.1_spec_disk.zip.
The v2.0 specification (requires FrameReader) is available at POSC_SIP_Specifications_v2.0.zip.