@misc{misc361d9811,
title   = {Galactic abundance gradient from cepheids},
author = {Andrievsky, S M and Luck, R E and Kovtyukh, V V and Barbuy, Beatriz Leonor Silveira and Lépine, Jacques Raymond Daniel and Bersier, D and Karpischek, R U},
year = {2001},
publisher = {SAB},
booktitle   = {Reunião Anual da Sociedade Astronômica Brasileira}
}