TY  - BOOK
AU  - Goldfarb,Nathan
TI  - An introduction to longitudinal statistical analysis: the method of repeated observations from a fixed sample 
U1  - 519.5 
PY  - 1960///
CY  - Glencoe, Ill.
PB  - Free Press
KW  - ANALISIS ESTADISTICO
N1  - Bibliografía: p. 211-218
ER  -