1 FRAYNE, John G. The Unilateral Dynamic Characteristics of Three-Electrode Vacuum Tubes / John G. Frayne. - N.S. : Univ. of Minnesota, 1922. - 621.38 FRAYN uni
2 HIT rider Hit Rider : Die superstarken brandaktuellen Top Hits / Razni izvođači. - [s. l.] ; Arcade , 1981. - 78 HIT rid