1. Preliminary summary of optical data records obtained from 1971 SECEDE II barium release test series;Boquist,1971
2. Geometric and radiometric data reduction for SECEDE II events Plum and Spruce;Breedlove;E.G. & G. Rept. 1183-5006,1971
3. Observations of ionospheric motions using barium ion clouds;Davis,1972
4. Photographic data reduction report on Birdseed I barium releases;Fu;E.G.7G. Rept. 1183-5003,1971
5. Photographic data reduction on Canuto and Dardabasi dual barium release: Operation Barbizon;Fu;E.G. & G. Rept. 1183-5010,1972