TY  - RPRT
TI  - Competitive behavior between rats: some definition problems.
AU  - J Masur
PY  - 1975
DO  - 10.1016/s0091-6773(75)91229-8
UR  - https://pubmed.ncbi.nlm.nih.gov/1168052/
ID  - 1168052
ER  -