@article{BURKE_1975,
title={A digital converter and editing system for photographic analog data.},
volume={27},
ISSN={0022-1392},
url={http://dx.doi.org/10.5636/jgg.27.425},
DOI={10.5636/jgg.27.425},
number={5},
journal={Journal of geomagnetism and geoelectricity},
publisher={Society of Geomagnetism and Earth,
Planetary and Space Sciences},
author={BURKE,
M. D. and ALABI,
A. O. and GOUGH,
D. I.},
year={1975},
pages={425–436} }