1. Syndromic surveillance: STL for modeling, visualizing, and monitoring disease counts;Hafen;BMC Med. Inform. Decis. Mak.,2009
2. STL: a seasonal-trend decomposition procedure based on loess;Cleveland;J. Off. Stat.,1990
3. SABL: A resistant seasonal adjustment procedure with graphical methods for interpretation and diagnosis;Cleveland,1978
4. Seasonal adjustment in the eighties: some problems and solutions;Dagum;Can. J. Stat.,1988
5. Seasonal adjustment methods and real time trend-cycle estimation;Dagum,2016