POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
HARDCOPY_DOCUMENT
SUBTYPE OF
(
document
);
ref_hardcopy_document :
OPTIONAL
ref_hardcopy_document
;
x_scale :
OPTIONAL
ndt_rational
;
y_scale :
OPTIONAL
ndt_rational
;
UNIQUE
si:
material
.identifier,
document
.document_specification;
END_ENTITY
; (* hardcopy_document *)
Generated on Tue Jul 10 19:38:01 2001
© Copyright 2001 POSC. All rights reserved.