Article Endre Zsoldos (2018)
Cyprianus Leovitius, Juan Caramuel y Lobkowitz, and the return of Tycho's star. Acta Historica Astronomiae (pp. 325-339). (/isis/citation/CBB617028457/) unapi

Article Wolfgang R. Dick; Christiaan Sterken (2018)
In memoriam Hilmar Duerbeck. Acta Historica Astronomiae. (/isis/citation/CBB178439079/) unapi

Article André Heck (2018)
World Line Crossings with Waltraut Seitter and Hilmar Duerbeck. Acta Historica Astronomiae (pp. 213-225). (/isis/citation/CBB507660180/) unapi

Article Franz Daxecker (2018)
Eine retrospektive chronobiologische Untersuchung der Sonnenfleckenzyklen bei Christoph Scheiner. Acta Historica Astronomiae (pp. 351-356). (/isis/citation/CBB409939310/) unapi

Article Ansgar Korte; Wolfgang R. Dick (2018)
Theodor Grigull (1883-1947). Acta Historica Astronomiae (pp. 441-452). (/isis/citation/CBB077797653/) unapi

Article Lutz D. Schmadel; Jay M. Pasachoff; Peter M. Ting (2018)
Das Beispiel Hilmar und Waltraut - Ehepaare am Himmel der Kleinen Planeten. Acta Historica Astronomiae (pp. 281-300). (/isis/citation/CBB291987180/) unapi

Article Peter Brosche (2018)
Wer hat die Expansion des Weltalls entdeckt?. Acta Historica Astronomiae (pp. 479-483). (/isis/citation/CBB622200506/) unapi

Article Wolfgang R. Dick (2018)
Zur Biographie von Hilmar W. Duerbeck. Acta Historica Astronomiae (pp. 25-32). (/isis/citation/CBB652181173/) unapi

Article Waltraut C. Seitter; Albert Bruch; Wolfgang R. Dick (2018)
Aus der Geschichte des Astronomischen Instituts der Universität Münster. Acta Historica Astronomiae (pp. 107-116). (/isis/citation/CBB182005047/) unapi

Article Vasco Schumann (2018)
Erinnerungen an den anderen Hilmar Willi Duerbeck. Acta Historica Astronomiae (pp. 261-274). (/isis/citation/CBB862543673/) unapi

Article Hilmar W. Duerbeck; Wolfgang R. Dick (2018)
Das Observatorium Hoher List der Universitäts-Sternwarte Bonn. Acta Historica Astronomiae (pp. 85-94). (/isis/citation/CBB519606261/) unapi

Article Vitor Bonifácio; Isabel Malaquias (2018)
Transits of Venus and other astronomical observations made by João de Loureiro (1717-1791) in Cochinchina. Acta Historica Astronomiae (pp. 357-387). (/isis/citation/CBB164635750/) unapi

Article Harry Nussbaumer (2018)
Einstein's aborted attempt at a dynamic steady-state universe. Acta Historica Astronomiae (pp. 463-477). (/isis/citation/CBB391018512/) unapi

Article Wolfgang R. Dick (2018)
Hilmar Duerbeck als Astronomiehistoriker. Acta Historica Astronomiae (pp. 151-160). (/isis/citation/CBB019041904/) unapi

Article Wolfgang R. Dick (2018)
Die archivalischen Bestände der Bonner Sternwarte und der Nachlaß von Eduard Schönfeld. Acta Historica Astronomiae (pp. 389-402). (/isis/citation/CBB998783146/) unapi

Article Yury Nefedyev; Piotr Flin; Elena Panko; et al. (2018)
Tadeusz Banachiewicz's scientific activity at Engelhardt Astronomical Observatory of Kazan University. Acta Historica Astronomiae (pp. 453-462). (/isis/citation/CBB504966214/) unapi

Article Christiaan Sterken (2018)
Hilmar W. Duerbeck: Leaves of Memory. Acta Historica Astronomiae (pp. 203-210). (/isis/citation/CBB715634243/) unapi

Article Hans Dieter Blum; Michael Herkenhoff (2018)
`LIBER AD DOMINUM ..." Apians `Astronomicum Caesareum" in der Universitäts- und Landesbibliothek Bonn. Acta Historica Astronomiae (pp. 301-323). (/isis/citation/CBB920585586/) unapi

Article Christiaan Sterken (2018)
The Brussels-Chile Connection: Reminiscences of a scientist friend. Acta Historica Astronomiae (pp. 141-150). (/isis/citation/CBB499747193/) unapi

Article Kurt Roessler (2018)
Hilmar W. Duerbeck auf den Bad Honnefer Winterseminaren. Acta Historica Astronomiae (pp. 195-199). (/isis/citation/CBB806663893/) unapi