Section headings and selected papers: Preface. Ionosphere and Upper Atmosphere. Solar cycle variations in the neutral exosphere inferred from the location of the Venus bow shock, C T Russell et al . Venus bowshock precursor, E G Fontheim & L H Brace; Solar-cycle changes in the thermal structure of the Venus dayside ionosphere, A J Kliore & L F Mulle;. The red and green lines of atomic oxygen in the nightglow of Venus, J L Fox. Infrared Measurements of the Middle Atmosphere. High latitude phenomena, deep cloud structure, and water vapour on Venus, F W Taylor et al . Infrared Fourier-spectrometer experiment from Venera-15, K Schafer et al . Venus middle-atmosphere temperatures from Venera-15, D Spankuch et al . Water vapor and sulfur dioxide abundances at the Venus cloud tops from the Venera-15 infrared spectrometry data, V I Moroz et al . Middle and Lower Atmosphere. Venus atmospheric circulation: known and unknown, S S Limaye. The dominant drive for the zonal circulation on Venus may not be solar heating in the clouds of the middle atmoshere, H E Revercomb. VEGA balloon meteorological measurements, D Crisp et al . Author Index.
