@article{articleb5f67f6d, title = {Spectrophometer of the national observatory}, author = {Codina Landaberry, S. J. and Freitas Pacheco, José Antonio and Kohl, B J L and Bazzanella, B and Ribeiro, R T}, year = {1986}, journal = {Revista Mexicana de Astronomia y Astrofisica} }