1. Results of the ballistic limit testing of aluminum meteoroid/debris shields;Bjorkman,1992
2. Advanced meteoroid and debris shielding concepts;Christensen,1990
3. Hybrid multishock shield ballistic limit equations;Christensen;NASA-JSC Memo SN3-92-35,1991
4. Meteoroid protection by multiwall structures;Cour-Palais,1969
5. A multishock concept for spacecraft shielding;Cour-Palais;Int. J. Impact Engng.,1990