TY  - BOOK
AU  - Perbles Patrick
TI  - Sri Lanka :  A handbook of historical statistics    
U1  - V4498.N9, M2(RR) 
PY  - 1982///
CY  - Boston
PB  - G K Hall 1982   
KW  - HISTORY
N1  - Reference publication in international historical statistics.; 1982
ER  -