Stirpe, G. M., & Grebel, E. K. (1994). Steps toward determination of the size and structure of the broad-line region in active galactic nuclei: VI. variability of NGC 3783 from ground-based data. The astrophysical journal, 425(?), .
Chicago Style (17th ed.) CitationStirpe, Giovanna M., and Eva K. Grebel. "Steps Toward Determination of the Size and Structure of the Broad-line Region in Active Galactic Nuclei: VI. Variability of NGC 3783 from Ground-based Data." The Astrophysical Journal 425, no. ? (1994).
MLA (9th ed.) CitationStirpe, Giovanna M., and Eva K. Grebel. "Steps Toward Determination of the Size and Structure of the Broad-line Region in Active Galactic Nuclei: VI. Variability of NGC 3783 from Ground-based Data." The Astrophysical Journal, vol. 425, no. ?, 1994.