TY  - RPRT
TI  - How much observational data is enough? An empirical test using marital interaction coding.
AU  - R E Heyman
AU  - B R Chaudhry
AU  - D Treboux
AU  - J Crowell
AU  - C Lord
AU  - D Vivian
AU  - E B Waters
PY  - 2001
DO  - 10.1016/s0005-7894(01)80047-2
UR  - https://pubmed.ncbi.nlm.nih.gov/16733528/
ID  - 16733528
ER  -