To cite modTempEff in publications use:

Vito M. R. Muggeo (2010). Analyzing Temperature Effects on Mortality Within the R Environment: The Constrained Segmented Distributed Lag Parameterization. Journal of Statistical Software, 32, 12: 1-17.

Vito M. R. Muggeo (2008). Modelling temperature effects on mortality: multiple segmented relationships with common break points. Biostatistics, 9: 613-620.

Corresponding BibTeX entries:

@Article{, title = {Analyzing Temperature Effects on Mortality Within the {R} Environment: The Constrained Segmented Distributed Lag Parameterization.}, author = {Vito M. R. Muggeo}, journal = {Journal of Statistical Software}, year = {2010}, volume = {32}, number = {12}, pages = {1--17}, url = {http://www.jstatsoft.org/v32/i12/}, }

@Article{, title = {Modelling temperature effects on mortality: multiple segmented relationships with common break points.}, author = {Vito M. R. Muggeo}, journal = {Biostatistics}, year = {2008}, volume = {9}, pages = {613--620}, }