RT Article T1 The jack-roller: the appeal, the person, and the impact JF The Jack-Roller at seventy SP 121 OP 134 A1 Geis, Gilbert 1925-2012 LA English YR 1982 UL https://krimdok.uni-tuebingen.de/Record/1487107749 SN 0669049123 K1 Verlaufsstudien