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. As licenças royalty-free http://edwinbbxsm.bligblogging.com/1534406/5-elementos-essenciais-para-caudas-de-sereia