@article {24256,
	title = {Evidence for an unidentified non-photochemical ground-level source of formaldehyde in the Po Valley with potential implications for ozone production},
	journal = {Atmos. Chem. Phys.},
	volume = {15},
	year = {2015},
	pages = {1289-1298},
	author = {Kaiser, J. and Wolfe, G. M. and Bohn, B. and Broch, S. and Fuchs, H. and Ganzeveld, L. N. and Gomm, S. and Haseler, R. and Hofzumahaus, A. and Holland, F. and Jager, J. and X. Li and Lohse, I. and Lu, K. and Prevot, A. S. H. and Rohrer, F. and Wegener, R. and Wolf, R. and Mentel, T. F. and Kiendler-Scharr, A. and Wahner, A. and Keutsch, F. N. *}
}
