TY - JOUR A1 - Höffner, J. A1 - Friedman, J. S. T1 - Metal layers at high altitudes: A possible connection to meteoroids JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 4 IS - 1 SP - 399 EP - 417 Y1 - 2004/01/20 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/4/399/2004/ L1 - http://www.atmos-chem-phys-discuss.net/4/399/2004/acpd-4-399-2004.pdf ER -