„Acoustics Monitoring Program – Icequakes (Bloop)“. NOAA Pacific Marine Environmental Laboratory. National Oceanic and Atmospheric Administration / United States Department of Commerce. Suarchyvuotas originalas 2020-02-25. Nuoroda tikrinta 2017-08-28.
oceanservice.noaa.gov
US Department of Commerce, National Oceanic and Atmospheric Administration (2018-06-25). „What is the Bloop?“. oceanservice.noaa.gov (Jungtinių Valstijų anglų). Suarchyvuotas originalas 2019-05-07.
„Acoustics Monitoring Program – Icequakes (Bloop)“. NOAA Pacific Marine Environmental Laboratory. National Oceanic and Atmospheric Administration / United States Department of Commerce. Suarchyvuotas originalas 2020-02-25. Nuoroda tikrinta 2017-08-28.
US Department of Commerce, National Oceanic and Atmospheric Administration (2018-06-25). „What is the Bloop?“. oceanservice.noaa.gov (Jungtinių Valstijų anglų). Suarchyvuotas originalas 2019-05-07.