Flow-drift technique for ion mobility and ion-molecule reaction rate constant measurements. I. Apparatus and mobility measurements. II. Positive ion reactions of N+, O+, and N2+ with O2 and O+ with N2 from thermal to ∼ 2 eV. III. Negative ion reactions of O- with CO, NO, H2 and D2: M McFarland et al, J Chem Phys, 59 (12), 1973, 6610–6635