Landesumweltamt Nordrhein-Westfalen (LUA NRW),
Materialien, Band 70: 1-95
2005,
Schlehofer B, Hettinger I, Blettner M, Preston-Martin S, Arslan A, Ahlbom A, Choi WN, Giles GG, Howe GR, Little J, Menegoz F, Rodvall Y, Ryan P, Wahrendorf J
2005,
Schlehofer B, Hettinger I, Ryan P, Blettner M, Preston-Martin S, Little J, Arslan A, Ahlbom A, Giles GG, Howe GR, Menegoz F, Rodvall Y, Choi WN, Wahrendorf J