Article Esteban Piñeiro, Mariano; Vicente Maroto, M. Isabel (1991)
El nivel atribuido a Juan de Herrera y su fundamento geométrico. Llull: Revista de la Sociedad Española de Historia de las Ciencias y de las Técnicas (pp. 31-57). (/isis/citation/CBB000032453/) unapi

Article Davey, A.B.T. (1991)
The Ordnance and the Ordnance Survey--offspring or foundling?. Cartographic Journal (pp. 181-187). (/isis/citation/CBB000052929/) unapi

Book An illustrated record of the Ordnance Survey in Ireland (1991). (/isis/citation/CBB000040239/) unapi

Chapter Minow, Helmut (1991)
Über die Kenntnis der Erddimensionen in der Antike und im Mittelalter. In: Vorträge und Berichte, 5. Kartographiehistorisches Colloquium, Oldenbourg 1990 (p. 187). (/isis/citation/CBB000061397/) unapi

Article Bennett, J.A. (1991)
Geometry and surveying in early-17th-century England. Annals of Science: The History of Science and Technology (pp. 345-354). (/isis/citation/CBB000044564/) unapi

Thesis Slotten, Hugh Richard (1991)
Patronage, politics, and practice in 19th century American science: Alexander Dallas Bache and the United States Coast Survey. (/isis/citation/CBB001564810/) unapi

Article Turner, G.L'E. (1991)
Introduction: Some notes on the development of surveying and the instruments used. Annals of Science: The History of Science and Technology (pp. 313-317). (/isis/citation/CBB000044721/) unapi

Article Schmidt, Klaus-Jürgen (1991)
Ergänzungen zur Harztriangulation 1833, nach Gauss' und Hartmanns Briefwechsel mit Oberbergrat Albert. Mitteilungen, Gauss- Gesellschaft E.V. Göttingen (pp. 55-73). (/isis/citation/CBB000063803/) unapi

Book Laguarda Trías, Rolando A. (1990)
La ciencia española en el descubrimiento de America: Las tablas de coordenadas geográficas compiladas en la España medievale. (/isis/citation/CBB000056833/) unapi

Chapter Débarbat, Suzanne (1990)
Coopération géodésique entre la France et l'Angleterre à la veille de la Révolution Française: Échanges techniques, scientifiques et instrumentaux. In: Échanges d'influences scientifiques et techniques entre pays européens de 1780 à 1830: Actes du 114e Congrès National des Sociétés Savantes, Paris 3-9 avril 1989, Section histoire des sciences et des techniques (p. 47). (/isis/citation/CBB000040114/) unapi

Article Bret, Patrice (1990/91)
Les épreuves aérostatiques de l'École polytechnique en l'an IV de la géométrie descriptive à l'origine de l'École des géographes. Sciences et Techniques en Perspective (pp. 119-142). (/isis/citation/CBB000043865/) unapi

Article Tomba, Tullio (1990 (pub. 1992))
Il “Nuovo trovato” galileano per la longitudine nella Geographia generalis di Bernhardt Varen. Rendiconti, Istituto Lombardo B (pp. 41-53). (/isis/citation/CBB000060352/) unapi

Article Baldacci, Osvaldo (1990)
La terra sferica in prosa e rima toscane (secc. XIII-XV). Cultura e Scuola (pp. 201-210). (/isis/citation/CBB000060991/) unapi

Chapter Allmer, Franz (1990)
Die Meridianmessungen von Pater Joseph Liesganig, S.J. In: Vorträge und Berichte, 4. Kartographiehistorisches Colloquium, Karlsruhe 1988 (p. 111). (/isis/citation/CBB000052904/) unapi

Book Widmalm, Sven (1990)
Mellan kartan och verkligheten: Geodesi och kartläggning, 1695-1860. (/isis/citation/CBB000047049/) unapi

Article Castro Soler, Joaquín (1990)
La construcción de la regla española. Asclepio: Archivo Iberoamericano de Historia de la Medicina (pp. 347-364). (/isis/citation/CBB000065893/) unapi

Book Mason, A. Stuart (1990)
Essex on the map: The 18th century land surveyors of Essex. Foreword by Helen Wallis. (/isis/citation/CBB000061737/) unapi

Chapter Widmalm, Sven (1990)
Accuracy, rhetoric, and technology: The Paris-Greenwich triangulation, 1784-88. In: The quantifying spirit in the 18th century (p. 179). (/isis/citation/CBB000037276/) unapi

Article Archinard, Margarida (1989)
A propos de l'alidade de Pierre Guillaume Martel. Genava (pp. 43-57). (/isis/citation/CBB000048227/) unapi

Article Roller, Duane W. (1989)
Columns in stone: Anaximandros' conception of the world. Antiquité Classique (pp. 185-189). (/isis/citation/CBB000056801/) unapi