1. Abbe C (1906) The climate of Alaska. Professional Paper No. 45, U.S. Geological Survey. Government Printing Office, Washington D.C
2. Conrad V (1944) Methods in climatology. Harvard University Press, Cambridge, 212 pp
3. Conrad V (1946) Usual formulas of continentality and their limits of validity. Trans Am Geophys Union 27:663
4. Day PC (1922) Summary of climatological data of Alaska by section, section 1—Southern and Southeastern Alaska. U.S. Department of Agriculture, Weather Bureau, Chief C. Marvin, Washington D.C. Printing Office, 18 pp
5. Gorczinski W (1920) Sur le calcul du degre du continentalisme et son application dans le climatologie. Geograf. Anna, Stockholm