TY  - BOOK
AU  - Hey,John Denis
TI  - Statistics in economics
SN  - 085520057X :
AV  - HA29 .H616 1974 .H616 1974
U1  - 519.5/02/433 
PY  - 1974///
CY  - London
PB  - Robertson
KW  - Statistics
N1  - Includes index; Bibliography: p. 415-416
ER  -