Mike MacKenzie (2005–2012). "Boom". Sea Talk Nautical Dictionary: The Dictionary of English Nautical Language. Archived from the original on July 2, 2016. Retrieved December 28, 2016.
Mike MacKenzie (2005–2012). "Boom". Sea Talk Nautical Dictionary: The Dictionary of English Nautical Language. Archived from the original on July 2, 2016. Retrieved December 28, 2016.