POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
ROCK_IN_OUTCROP
SUBTYPE OF
(
rock_material
);
outcrop :
OPTIONAL
outcrop
;
UNIQUE
si:
material
.identifier,
material
.ref_existence_kind, outcrop;
END_ENTITY
; (* rock_in_outcrop *)
Generated on Tue Jul 10 19:39:03 2001
© Copyright 2001 POSC. All rights reserved.