TY  - RPRT
TI  - Planetary science. Risks in space from orbiting debris.
AU  - J C Liou
AU  - N L Johnson
PY  - 2006
DO  - 10.1126/science.1121337
UR  - https://pubmed.ncbi.nlm.nih.gov/16424326/
ID  - 16424326
ER  -