(1)
Roberto Lopes Thiers, P. GEODESIC LOCATION OF THE LINE OF MEDIUM HIGH TIDE WITHRELATIONSHIP TO THE YEAR OF 1831, IN THE BEACH OF FUTURO FORTALEZA-CE, BRAZIL. BGG 2012, 32 (1), 31-44. https://doi.org/10.5216/bgg.v32i1.18954.