TY  - BOOK
ED  - Visible Systems Corporation.
TI  - The visible analyst workbench: tutorial on structural methods and the repository / 
SN  - 0256172153 (pbk.)
AV  - TT197.5.W6 V58 1994
U1  - 005.1 22
PY  - 1994///
CY  - Waltham, MA : 
PB  - Visible Systems Corporation
KW  - Workbenches
KW  - Computer-assisted instruction
ER  -