TY - JOUR T1 - Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3b PY - 2021/11/05 AU - The LIGO Scientific Collaboration AU - the Virgo Collaboration AU - the KAGRA Collaboration AU - Abbott R AU - Abbott TD AU - Acernese F AU - Ackley K AU - Adams C AU - Adhikari N AU - Adhikari RX AU - Adya VB et al ED - DO - DOI: 10.48550/arxiv.2111.03608 Y2 - 2025/10/08 ER -