Physical Review D, 101(8):084002. American Physical Society Physical Review D, 101, 8, pp. 1-24 (LIGO Scientific Collaboration and Virgo Collaboration) 2020, ' Optically targeted search for gravitational waves emitted by core-collapse supernovae during the first and second observing runs of advanced LIGO and advanced Virgo ', Physical Review D, vol. 101, no. 8, 084002, pp. 1-24 . https://doi.org/10.1103/PhysRevD.101.084002 The LIGO Scientific Collaboration, Virgo Collaboration, ASAS-SN Collaboration, DLT40 Collaboration, Harry, I W, Keitel, D, Lundgren, A P, McIsaac, C & Nuttall, L K 2020, ' An optically targeted search for gravitational waves emitted by core-collapse supernovae during the first and second observing runs of advanced LIGO and advanced Virgo ', Physical Review D, vol. 101, no. 8, 084002 . https://doi.org/10.1103/PhysRevD.101.084002 Physical Review D, 101(8):084002, 1-24. American Physical Society Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol. 101, no.084002, p. (2020) Phys.Rev.D Phys.Rev.D, 2020, 101 (8), pp.084002. ⟨10.1103/PhysRevD.101.084002⟩ Physical Review D 101 (2020), Nr. 8 Physical Review D PHYSICAL REVIEW D Physical Review D. Particles, Fields, Gravitation, and Cosmology, 101(8):084002. American Institute of Physics Physical Review D, 101, 1-24 Physical Review D, 101(8):084002. AMER PHYSICAL SOC