"HOW I DO IT"-OTOLOGY AND NEUROLOGY. A SPECIFIC ISSUE AND ITS SOLUTION. A TECHNIQUE OF STAPEDECTOMYKOPSTEIN E.1981; LARYNGOSCOPE; ISSN 0023-852X; USA; DA. 1981; VOL. 91; NO 2; PP. 304-305; BIBL. 1 REF.Article

How i do it ― Head and neck and plastic surgery: a targeted problem and its solution. The hydrocollator^® steam pack revisitedKOPSTEIN, E.The Laryngoscope. 1985, Vol 95, Num 8, pp 1006-1007, issn 0023-852XArticle

Otitis externa: unorthodox but effective treatmentsKOPSTEIN, E.The Laryngoscope. 1984, Vol 94, Num 9, issn 0023-852X, 1248Article

AUTOSOMAL RECESSIVE SENSORINEURAL HEARING IMPAIRMENT, DIZZINESS, AND HYPODONTIA.MING LIANG LEE; LEVIN LS; KOPSTEIN E et al.1978; ARCH. OTOLARYNGOL.; U.S.A.; DA. 1978; VOL. 104; NO 5; PP. 292-293; BIBL. 11 REF.Article

FIBROUS DYSPLASIA: A REVIEW OF THE DISEASE AND ITS MANIFESTATIONS IN THE TEMPORAL BONENAGER GT; KENNEDY DW; KOPSTEIN E et al.1982; ANN. OTOL., RHINOL. LARYNGOL., SUPPL.; ISSN 0096-8056; USA; DA. 1982; VOL. 91; NO 3; PART. 2; 52 P.; BIBL. 175 REF.Serial Issue

UBER DIE OERTLICHE BREITUNG BEIM KALTWALZEN BREITER BAENDER = ELARGISSEMENT LOCAL LORS DU LAMINAGE A FROID DE BANDES LARGESKOPSTEIN E; GRIGORJAN GG; SHELESNOV JD et al.1975; NEUE HUETTE; DTSCH.; DA. 1975; VOL. 20; NO 4; PP. 226-228; BIBL. 5 REF.Article

MESSUNG DER VERTEILUNG DES SPEZIFISCHEN BANZUGS BEIM KALTWALZEN BREITER STAHLBAENDER = MESURE DE LA DISTRIBUTION DES TENSIONS INTERNES DANS UNE LARGE BANDE D'ACIER LORS DE SON LAMINAGE A FROIDKOPSTEIN E; RADECKE R; SCHMIDT M et al.1974; NEUE HUETTE; DTSCH.; DA. 1974; VOL. 19; NO 6; PP. 337-338Article

KOMPLEXE UNTERSUCHUNG DER STABILITAET DES KALTWALZPROZESSES = ETUDE COMPLEXE DE LA STABILITE DU LAMINAGE A FROIDKOPSTEIN E; RADECKE R; GRIGORJAN GG et al.1974; NEUE HUETTE; DTSCH.; DA. 1974; VOL. 19; NO 11; PP. 653-658; BIBL. 5 REF.Article

PROBLEME BEI DER OPTIMALEN FUEHRUNG DES KALTWALZPROZESSES AN KONTINUIERLICHEN KALTBANDSTRASSEN = PROBLEMES POSES PAR LA CONDUITE OPTIMALE DU PROCESSUS DE LAMINAGE A FROID SUR DES TRAINS CONTINUS A BANDES A FROIDJARGSTORF P; RICHTER B; KOPSTEIN E et al.1974; WISSENSCH. Z. TECH. HOCHSCH. OTTO VON GUERICKE MAGDEBURG; DTSCH.; DA. 1974; NO 1; PP. 11-21; BIBL. 12 REF.; (III. KOLLOQ. AUSRUESTUNGEN SCHWERIND.; MAGDEBURG; 1974)Conference Paper