TY  - BOOK
AU  - Beer,Francis A
TI  - How much war in history : definitions, estimates, extrapolations and trends 
T2  - Sage professional papers in international studies ; no. 02-030
SN  - 0803904762 
AV  - JX1291 .B44
U1  - 327.072 22
PY  - 1974///
CY  - New Delhi
PB  - Sage
KW  - International relations
KW  - Research
KW  - War
N1  - Bibliography: p. 35-37
ER  -