TY  - BOOK
AU  - Thorbecke William J
TI  - Mankind at the crossroads :  an enquirt into the causes of the global predicaments and teh means to overcome them
U1  - V:(R), L5 
PY  - 1975///
CY  - Leyden
PB  - A W Sijthoff USA    
KW  - HISTORY
ER  -