TY  - RPRT
TI  - Studies of photoreceptor structures.
AU  - J J WOLKEN
PY  - 1959
DO  - 10.1111/j.1749-6632.1958.tb39542.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13627849/
ID  - 13627849
ER  -