TY  - RPRT
TI  - Demand pacing.
AU  - B V Berkovits
PY  - 1969
DO  - 10.1111/j.1749-6632.1969.tb34149.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5263825/
ID  - 5263825
ER  -