TY  - RPRT
TI  - Circadian changes in cockroach ommatidial structure.
AU  - B R Ferrell
AU  - B G Reitcheck
PY  - 1993
DO  - 10.1007/bf00197763
UR  - https://pubmed.ncbi.nlm.nih.gov/8263841/
ID  - 8263841
ER  -