RT Article T1 Decision tree models for characterizing smoking patterns of older adults A1 Moona, Sung Seek A1 Kim, Seoung Bum A1 Jitpitaklertc, Weerawat A1 Kangb, Suk-Young A2 Kim, Seoung Bum A2 Jitpitaklertc, Weerawat A2 Kangb, Suk-Young LA English YR 2012 UL https://krimdok.uni-tuebingen.de/Record/1912506394 DO 10.1016/j.eswa.2011.07.035