Grottanelli, V. L. 1948. I Pre-Niloti. Annali Lateranensi 12. 282-326.
@article{grottanelli1948,
author = {Grottanelli, V. L.},
journal = {Annali Lateranensi},
key = {Grottanelli (1948)},
pages = {282-326},
title = {I Pre-Niloti},
volume = {12},
year = {1948}
}