MODELLING THE GRAVITATIONAL LENS OF THE DOUBLE QUASARMOORE P; HARDING S.1982; SYMP.-INST. ASTRON. UNION; ISSN 0074-1809; NLD; DA. 1982; NO 97; PP. 461-462; BIBL. 4 REF.Conference Paper

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MULTIPLE QUASARS AND GRAVITATIONAL LENSESSHAWCROSS WE.1980; SKY & TELESC.; ISSN 0037-6604; USA; DA. 1980; VOL. 60; NO 6; PP. 486-487Article

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LES MIRAGES GRAVITATIONNELSLACHIEZE REY M; SCHNEIDER J.1980; RECHERCHE; FRA; DA. 1980; NO 113; PP. 827-828; BIBL. 3 REF.Article

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