Book chapter (2012) - S Watts (author) , Merle K. Kreuk (author) , Mario Pronk (author) , MCM van Loosdrecht (author) , J Keller (author) , M Pijuan (author) , C Di Iaconi (author) , A Ried (author) , S Rossetti (author) , G Del Moro (author) , A Mancini (author) , M De Sanctis (author) , A Giesen (author)