TY - JOUR AU - Ehhalt, D. H. TI - Tropospheric ozone, chemistry and man-induced trends JO - Ozone science & engineering VL - 23 SN - 0191-9512 CY - Philadelphia, Pa. PB - Taylor & Francis M1 - PreJuSER-33377 SP - 445 - 453 PY - 2001 N1 - Record converted from VDB: 12.11.2012 LB - PUB:(DE-HGF)16 UR - https://juser.fz-juelich.de/record/33377 ER -