TY  - BOOK
AU  - Vincent Jffries and H. Edward Ransford.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : a multiple hierarchy approach 
SN  - 205068588
SN  - 2
PY  - 0000///46
CY  - Boston
PB  - Allyn and Bacon, Inc
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
N1  - 5
ER  -