Thomson, D. F. 1939. The Seasonal Factor in Human Culture. Proceedings of the Prehistoric Society of London 10. 209-221.
@article{thomson1939, author = {Thomson, D. F}, journal = {Proceedings of the Prehistoric Society of London}, key = {Thomson (1939)}, pages = {209-221}, title = {The Seasonal Factor in Human Culture}, volume = {10}, year = {1939} }