TY - JOUR A1 - Toohey, M. A1 - Quine, B. M. A1 - Strong, K. A1 - Bernath, P. F. A1 - Boone, C. D. A1 - Jonsson, A. I. A1 - McElroy, C. T. A1 - Walker, K. A. A1 - Wunch, D. T1 - Balloon-borne radiometer measurement of Northern Hemisphere mid-latitude stratospheric HNO3 profiles spanning 12 years JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 7 IS - 4 SP - 11561 EP - 11586 Y1 - 2007/08/06 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/7/11561/2007/ L1 - http://www.atmos-chem-phys-discuss.net/7/11561/2007/acpd-7-11561-2007.pdf ER -