TY  - RPRT
TI  - Taking a closer look: time sampling and measurement error.
AU  - J Powell
AU  - B Martindale
AU  - S Kulp
AU  - A Martindale
AU  - R Bauman
PY  - 1977
DO  - 10.1901/jaba.1977.10-325
UR  - https://pubmed.ncbi.nlm.nih.gov/16795556/
ID  - 16795556
ER  -