TY  - RPRT
TI  - Tracking markers with missing data by lower rank approximation.
AU  - A M Muijtjens
AU  - J M Roos
AU  - T Arts
AU  - A Hasman
AU  - R S Reneman
PY  - 1997
DO  - 10.1016/s0021-9290(96)00104-2
UR  - https://pubmed.ncbi.nlm.nih.gov/8970931/
ID  - 8970931
ER  -