TY  - RPRT
TI  - Observational cosmology using characteristic numerical relativity
AU  - Walt, P J. van der
AU  - Bishop, N T
PY  - 2010
DO  - 10.1103/physrevd.82.084001
UR  - https://www.osti.gov/biblio/21433007
ID  - 21433007
ER  -