TY  - BOOK
AU  - DERKS Hans
TI  - History of the opium problem:  The assault on the East, ca.1600-1950   
SN  - 9789004221581
U1  - Y:413.4.N50<-K00, Q2 
PY  - 2012///
CY  - Boston
PB  - Brill          
KW  - Economics
ER  -