TY  - BOOK
AU  - Shepard,Donald
AU  - Prewitt,Kenneth
TI  - Cross-tabulation of means: description of computer program SO4B / 
U1  - AF PSF 338.9676 N36 no.106 
PY  - 1971///
CY  - Nairobi : 
PB  - Institute for Development Studies, University of Nairob i, 
KW  - Factor analysis
KW  - Computer programs
ER  -