@misc{indiciaed4ba0a60283f, title = {Vacuum fluctuations outside cosmic strings.}, author = {TM Helliwell and DA Konkowski}, year = {1986}, doi = {10.1103/physrevd.34.1918}, url = {https://pubmed.ncbi.nlm.nih.gov/9957368/}, note = {Source identifier: 9957368} }