1. Baldocchi D, Wong S (2008) Accumulated winter chill is decreasing in the fruit growing regions of California. Clim Change 87:153–166
2. Bonfils C et al (2008) Identification of external influences on temperatures in California. Clim Change, in press: 10.1007/s10584-007-9374-9 .
3. California Agricultural Statistics Service (2006) California Agricultural Statistics 2005: overview. USDA-NASS, Sacramento
4. Cayan D, Tyree M, Dettinger M, Hidalgo M, Das T, Maurer E, Bromirski P, Graham N, Flick R (2009) Climate change scenarios and sea level rise estimates for the California 2009 climate change scenarios assessment. California Energy Commission, Sacramento, CEC-500-2009-014-F
5. Efron B, Hastie T, Johnstone I, Tibshirani R (2004) Least angle regression. Ann Stat 32(2):407–499