TY  - RPRT
TI  - SOLUTION OF THE INTERMEDIATE SIZE PROBLEM BY PIGEONS.
AU  - M D ZEILER
PY  - 1965
DO  - 10.1901/jeab.1965.8-263
UR  - https://pubmed.ncbi.nlm.nih.gov/14342034/
ID  - 14342034
ER  -