TY  - RPRT
TI  - Human reciprocity. An Arctic exemplification.
AU  - B Jensen
PY  - 1973
DO  - 10.1111/j.1939-0025.1973.tb00816.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4711088/
ID  - 4711088
ER  -