TY  - RPRT
TI  - Mathematical coupling: a simpler approach.
AU  - Jon Rasbash
AU  - Harvey Goldstein
PY  - 2004
DO  - 10.1093/ije/dyh304
UR  - https://pubmed.ncbi.nlm.nih.gov/15358743/
ID  - 15358743
ER  -