1967: In his review of the range of fins available in France during that year, J. Larue[7] mentions how unnamed experts are experimenting with the use of a single swim fin accommodating both feet of the swimmer, who deploys the butterfly stroke to progress in the water. Nesse modelo além http://cauda-de-sereia-para-cria74297.jiliblog.com/54244360/examine-este-relat-rio-sobre-calda-de-sereia