TY - JOUR A1 - Worton, D. R. A1 - Sturges, W. T. A1 - Schwander, J. A1 - Mulvaney, R. A1 - Barnola, J.-M. A1 - Chappellaz, J. T1 - 20th Century trends and budget implications of trihalomethanes and dihalomethanes inferred from North GRIP firn air JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 6 IS - 1 SP - 701 EP - 754 Y1 - 2006/01/24 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/6/701/2006/ L1 - http://www.atmos-chem-phys-discuss.net/6/701/2006/acpd-6-701-2006.pdf DO - 10.5194/acpd-6-701-2006 ER -