1. Hypervelocity Impacts in Space;McDonnell,1992
2. LDEF — 69 Months in Space; First Post-Retrieval Symposium,1991
3. LDEF — 69 Months in Space; Second Post-Retrieval Symposium,1992
4. LDEF — 69 Months in Space; Third Post-Retrieval Symposium,1993
5. The effect of impact angle on craters formed by hypervelocity particles;Hill,1993