TY  - RPRT
TI  - The Palomar planet-crossing asteroid survey, 1973-1978
AU  - E. F. Helin
AU  - E.M. Shoemaker
PY  - 1979
DO  - 10.1016/0019-1035(79)90021-6
UR  - https://pubs.usgs.gov/publication/70012284
ID  - 70012284
ER  -