TY  - BOOK
AU  - Riso, Don Richard 
TI  - Understanding the Enneagram:  the practical guide to personality types
SN  - 0395520266
PY  - 1990///
CY  - Boston
PB  - Houghton Mifflin
KW  - Enneagram
KW  - Self-evaluation
N1  - Includes Bibliography and Index
ER  -