70 BSK UWG-ARPAGAUS (Fn. 27), Art. 3 Abs. 1 lit. d N. 151; DIKE-UWG-HEINEMANN (Fn. 31), Art. 3 Abs. 1 lit. d N. 148. 71 BSK UWG-ARPAGAUS (Fn. 27), Art. 3 Abs. 1 lit. d N. 152 f.; DIKE-UWG-HEINEMANN (Fn. 31), Art. 3 Abs. 1 lit. d N. 148; SHK UWG-BRAUCHBAR BRIKHÄUSER /SPITZ (Fn. 16), Art. 3 Abs. 1 lit. d N. 64 m.w.N. 72 DIKE UWG-HOFER (Fn. 61), Art. 2 N. 91; DIKE-UWG-HEINEMANN (Fn. 31), Art. 3 Abs. 1 lit. d N. 148; SHK UWG-BRAUCHBAR BRIKHÄUSER/SPITZ (Fn. 16), Art. 3 Abs. 1 lit. d N. 64 m.w.N. - 26 -