TY  - RPRT
TI  - One swallow doth not summer make.
AU  - F Ehrlich
PY  - 1991
DO  - 10.1111/j.1445-5994.1991.tb01396.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1759934/
ID  - 1759934
ER  -