TY  - BOOK
AU  - Yamaguchi Kazuo 
TI  - Event history analysis/ 
SN  - 	0-8039-3323-1
U1  - Circ. 301 Y14 1991 
PY  - 1991///.
CY  - New Delhi : 
PB  - Sage pub.
N1  - include reference
ER  -