"Matèria interstel·lar" . . "Molécules interstellaires." . . "Galaktyki konferencje." . . "Interstellaire materie." . . "Congressos i conferències" . . . . "Materia interstellare - Congressi - Charlottesville, Va. - 1971." . . "Matière interstellaire." . . "University of Virginia (Estados Unidos)" . . "Molecules in the Galactic Environment (1971 ; Charlottesville, Va.)" . . . "milieu interstellaire [congrès]" . . . . . . . . . . . . . . . . "Molecules in the Galactic Environment" . . . . . "Molecules in the galactic environment / Gordon, Lewis E. Snyder" . . . . . . . . . "Molecules in the galactic environment : [proceedings of a symposium sponsored by the National Radio Astronomy Observatory and the University of Virginia, held Nov. 4-7,1971]" . . . . . . "Conference proceedings" . . "Molecules in the galactic environment ; proceedings" . . . . "Molecules in the galactic environment" . . . "Molecules in the galactic environment : [proceedings of a symposium sponsored by the National Radio Astronomy Observatory and the Univesity of Virginia, held Nov. 4-7, 1971]" . "Conference papers and proceedings" . . "Molekuły międzygwiazdowe konferencje." . . "Materia interestelar Congresos." . . "Matière interstellaire Congrès." . . "National Radio Astronomy Observatory (U.S.)" . .