TY  - RPRT
TI  - Modeling manifest variables in longitudinal designs - A two-stage approach
AU  - Bret E. Fuller
AU  - Alexander von Eye
AU  - P. K. Wood
AU  - Bobby D. Keeland
PY  - 2003
UR  - https://pubs.usgs.gov/publication/70205506
ID  - 70205506
ER  -