TY  - RPRT
TI  - Lemming cycles in captivity.
AU  - A Semb-Johansson
AU  - R Wiger
AU  - C E Engh
PY  - 1979
DO  - 10.1007/bf01962786
UR  - https://pubmed.ncbi.nlm.nih.gov/510481/
ID  - 510481
ER  -