Part,  Chapter, Paragraph
1  III,    10.  5.  1| the urban air pollution (DEFRA, 2004).~ ~Outdoor urban
2  III,    10.  5.  1|   Indoor Air, 13:53-64.~ DEFRA (2004): Review of environmental
3  III,    10.  5.  1|  Monoxide~dB(A)~Decibels~DEFRA~Department for Environment,