@misc{misc6050ba65,
title   = {Some refinements in chemical evolution models. Ii. A one-zone model with refuses},
author = {Rocha-Pinto, H J and Arany-Prado, L I and Maciel, Walter Junqueira},
year = {1993},
booktitle   = {Reuniao Latinoamericana de Astronomia Iau}
}