TY  - BOOK
AU  - Morrell A J H
TI  - Introduction to index numbers
U1  - 000SB:338.52 
PY  - 1948///
CY  - London
PB  - HFL Publ
KW  - Index numbers
N1  - Being chaps ix and x of statistics and their application to commerce by A L Boddington 9th ed
ER  -