TY  - RPRT
TI  - Gravitational lensing by cosmic string loops.
AU  - de Laix AA
AU  - T Vachaspati
PY  - 1996
DO  - 10.1103/physrevd.54.4780
UR  - https://pubmed.ncbi.nlm.nih.gov/10021169/
ID  - 10021169
ER  -