@inproceedings{inproceedings24e08a5b,
title   = {Design of a controller for magnetic levitation},
author = {Pierri, Paulo Sérgio and Silva, Paulo Sérgio Pereira da and Betti, Flávio},
year = {1989},
publisher = {Springer-Verlag},
booktitle   = {International Symposium on Magnetic Bearing}
}