Richard W. Unger https://www.cepese.pt/portal%26quot%3B%22/pt/publicacoes/autores/richard-w-unger https://www.cepese.pt/portal%26quot%3B%22/@@site-logo/CEPESE+home.png Richard W. Unger Artigos Dutch Nautical Sciences in the Golden Age: the Portuguese Influence 2011