TY  - RPRT
TI  - Periodic shock with added clock.
AU  - D P Hendry
AU  - M Yarczower
AU  - R C Switalski
PY  - 1969
DO  - 10.1901/jeab.1969.12-159
UR  - https://pubmed.ncbi.nlm.nih.gov/16811336/
ID  - 16811336
ER  -