TY  - BOOK
AU  - Gilbert,Martin .
TI  - Challenge to civilization : a history of the twentieth century 1952-1999 / 
SN  - 0006376630
U1  - 909.825 
PY  - 2000///
CY  - London : 
PB  - Harper Collins , 
KW  - WORLD HISTORY 20TH CENTURY
N1  - Includes bibliography and index
ER  -