New Directions in the Social History of ScienceHAHN R.Physis. Rivista internazionale di Storia della Scienza. 1975, Vol 17, Num 3-4, pp 205-218Article

L'autobiographie de Lacepède retrouvéeHAHN R.Dix-Huitième Siècle. 1975, Num 7, pp 49-85Article

DETERMINISM AND PROBABILITY IN LAPLACE'S PHILOSOPHYHAHN R.1974, pp 170-175Book

Scientific Research As an Occupation in Eighteenth-Century ParisHAHN R.Minerva (London. 1989). 1975, Vol 13, Num 4, pp 501-513, issn 0957-7718Article

SUR LES DEBUTS DE LA CARRIERE SCIENTIFIQUE DE LACEPEDEHAHN R.REVUE D'HISTOIRE DES SCIENCES. 1974, Vol 27, Num 4, pp 347-353Article

BERKELEY CENTER FOR HISTORY OF SCIENCE AND TECHNOLOGYHAHN R.REVUE D'HISTOIRE DES SCIENCES. 1974, Vol 27, Num 2, PP. 173. CDSHArticle

UNDERSTANDING BELIEFS: AN ESSAY ON THE METHODOLOGY OF THE STATEMENT AND ANALYSIS OF BELIEF SYSTEMSHAHN R. A.CURRENT ANTHROPOLOGY. 1973, Vol 14, Num 3, pp 207-229Article

UNTERSUCHUNGEN UEBER DIE VERBESSERUNG VON AKTIVTONERDE-ADSORBENTIEN = ETUDES SUR L'AMELIORATION DES ADSORBANTS EN ALUMINE ACTIVEHAHN R.1982; KERNFORSCHUNGSZENT. KARLSR.; ISSN 0303-4003; DEU; DA. 1982; NO 3338; 132 P.; ABS. ENG; BIBL. 119 REF.Serial Issue

INTERKAMA '77: GERAETE UND SYSTEME FUER ELEKTRONISCHE STEUERUNGEN. = INTERKAMA '77: INSTRUMENTS ET SYSTEMES POUR LA COMMANDE ELECTRONIQUEHAHN R.1978; REGELUNGSTECH. PRAXIS; DTSCH.; DA. 1978; VOL. 20; NO 2; PP. 33-40; BIBL. 3 REF.Article

THE MANUFACTURE OF ZIGZAG SPRINGSHAHN R.1974; WIRE WORLD INTERNATION.; GERM.; DA. 1974; VOL. 16; NO 3; PP. 106-112; ABS. FR. ITAL. ESPArticle

DISCRIMINATION VOCALE EN PRESENCE DE BRUIT DANS LES DIFFERENTS TYPES DE SURDITEHAHN R.1974; AUDIOLOGY; SWITZ.; DA. 1974; VOL. 13; NO 6; PP. 485-489; ABS. ANGL.; BIBL. 5 REF.Article

SPEICHERPROGRAMMIERTE STEUERUNGEN IN STARKSTROMNAHER AUSFUEHRUNG FUER KLEINERE AUFGABEN = COMMANDE PROGRAMMEE A MEMOIRE DE TYPE HAUTE TENSION POUR DE PETITES TACHESHAHN R.1978; V.D.I.-Z.; DEU; DA. 1978; VOL. 120; NO 23; PP. 1115-1118Article

PROETIDAE AUS DER OBEREN CRENISTRIA-ZONE VON HERBORN (TRILOBITA ; UNTER-KARBON). TEIL 2 ARCHEGONUS (PHILLIBOLE) RUD. UND E. RICHTER 1937).(PROETIDAE DE LA ZONE A CRENISTERIA SUP. DE HERBORN (TRILOBITA, CARBON. INF.HAHN R.1968; SENCKENBERG. LETHAEA; DEU; 1968(12), VOL. 49, P. 395 A 437Miscellaneous

DIESELHEIZKRAFTWERK SKULTUNA BEI VAESTERAS (SCHWEDEN) = SKULTUNA DIESEL ENGINE COMBINED HEAT/POWER PLANT NEAR VAESTERAS (SWEDEN) = LA CENTRALE COMBINEE AVEC MOTEUR DIESEL DE SKULTUNA PRES DE VAESTERAS (SUEDE)HAHN R.1978; BRENNST. WAERME KRAFT; DEU; DA. 1978; NO 11; PP. 433-435Article

INTERKAMA'74: SYSTEME FUER ELEKTRONISCHE STEUERUNGEN. = INTERKAMA'74: SYSTEME DE COMMANDE ELECTRONIQUEHAHN R.1975; REGELUNGSTECH. PRAXIS; DTSCH.; DA. 1975; VOL. 17; NO 1; PP. 8-12Article

ETUDE ET EXPERIMENTATION D'UN GENERATEUR ELECTRIQUE IMPULSIONNEL D'ENERGIE ELEVEE UTILISANT UN EXPLOSIF GAZEUX.HAHN R.1975; AO-CNRS-11261; FR.; DA. 1975; PP. 1-141; H.T. 50; BIBL. 4 P. 1/2; (THESE DOCT. SCI. PHYS.; PARIS-SUD)Thesis

PROETIDAE AUS DER OBEREN CRENISTRIA-ZONE VON HERBORN(TRILOBITA;UNTER-KARBON).TEIL 1: ARCHEGONUS(ARCHEGONUS) BURMEISTER 1843.(PROETIDAE DE LA ZONE SUP. A CRENISTRIA DE HERBORN(TRILOBITES,CARBONIFERE INFERIEUR).HAHN R.1968; SENCKENBERG. LETHAEA; DEU; 1968, VOL. 49, P. 193 A 233Miscellaneous

Pour une politique sportive régionale = For a regional policy for sportHAHN, R.TPE (Paris). 1993, Num 116, pp 40-42, issn 0223-8225Article

Engineering and the Origins of Philosophy : the Idea of Roles in Archaic GreeceHAHN, R.Southwest Philosophical Studies. 1987, Vol 10, Num 2, pp 14-22Article

CONTRIBUTION TO ANALYSIS OF THE REFLECTION GRATING METHODRITTER R; HAHN R.1983; OPTICS AND LASER TECHNOLOGY; ISSN 0030-3992; GBR; DA. 1983; VOL. 4; NO 1; PP. 13-24; BIBL. 7 REF.Article

Being and Non-Being in Rig Veda X, in the Writings of the Lao-Tzu and Chuang-Tzu, and in the Later PlatoHAHN, R.Journal of Chinese Philosophy Honolulu. 1981, Vol 8, Num 2, pp 119-142Article

Material Causality, Non-Being, and Plato's hypodoche: A Re-view of the Timaeus in Terms of the Divided LineHAHN, R.Apeiron. A Journal for Ancient Philosophy and Science Clayton. 1980, Vol 14, Num 1, pp 57-66Article

THE SOLAR KEY WORD IS OFTEN COATINGS.HAHN R; WINEGARNER R.1978; OPT. SPECTRA; U.S.A.; DA. 1978; VOL. 12; NO 4; PP. 36-39; BIBL. 14 REF.Article

On Plato's Philebus 15 B1-8HAHN, R.Phronesis Assen. 1978, Vol 23, Num 2, pp 158-172Article

TRILOBITEN AUS DEM UNTER-KARBON DER VEITSCH (STEIERMARK, OESTERREICH). = TRILOBITES DU CARBONIFERE INFERIEUR DE LA VEITSCH, STYRIE, AUTRICHEHAHN G; HAHN R.1977; NEU. JB. GEOL. PALAEONTOL., MONATSH.; DTSCH.; DA. 1977; NO 3; PP. 137-143; ABS. ANGL.; BIBL. 7 REF.; 9 ILL.Article