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W. Maennig (1999) Rowers’ Participation in National and International Committees in: Rudersport, 117(5), pp. 189-190
W. Maennig (1999) Fines are the better choice in the fight against doping in: Handelsblatt vom 2./3.7.1999, 55
W. Maennig, M. Stamer (1999) Structural change in Germany is fast enough in: Handelsblatt, 16.03.99, p. 55