@inproceedings{inproceedings76cfb3fe,
title   = {Mapping of non integrable magnetic fields in tokamaks},
author = {Heller, M V A P and Caldas, Iberê Luiz},
year = {1990},
publisher = {Com Nac Energ Atom/Secr Cienc Y Tecn/Int Atom Energy Agency},
booktitle   = {Latin-American Workshop on Plasma Physics}
}