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- Philips Experimental House Research 1974ff: Passive versus Active Measures in Europe & America
- ding the US & Europe where performed (see e.g. Bruno & Steinmüller 1977, Bruno & Hörster 1978, Steinmüller & Bruno 1979, Steinmüller 1979 – 1982). \\ As an example, Fig. 2 shows a... ffective than measures on the supply side (cf. Bruno & Hörster 1978). Thus, **the paradoxical result -