A comparison of measurements of atmospheric ammonia by filter packs, transition-flow reactors, simple and annular denuders and fourier tranform infrared spectros copy

Wiebe [H.A.] ; Anlauf [K.G.] ; Tuazon [E.C.] ; Winer [A.M.] ; Biermann [H.W.] ; Appel [B.R.] ; Solomon [P.A.] ; Cass [C.R.] ; Ellestad [T.G.] ; Knapp [K.T.] ; Peake [E.] ; Spicer [C.W.] ; Lawson [D.R.]