@article{article1d259377,
title   = {Small angle x-ray diffraction study of a-si: h / a-ge : h multilayers : reflectivity modeling and thermal stability},
author = {Zeballos-Velasquez, E L and Fantini, Márcia Carvalho de Abreu},
year = {1997},
journal   = {Journal of Non-Crystalline Solids}
}