Measurements of OH, H₂SO₄, and MSA during Tropospheric Ozone Production About the Spring Equinox (TOPSE) - Mauldin, Roy (author); Cantrell, Chris (author); Zondlo, Mark (author); Kosciuch, Edward (author); Ridley, Brian (author); Weber, R. (author); Eisele, Fred (author) (Journal of Geophysical Research, 2003)