Lukas, Johannes. 1955/1956. Grammar of the Tula Language (Northern Provinces, Nigeria). Afrika und Übersee XXXIX. 101-118, 149-168.
@article{sLukasTula,
author = {Lukas, Johannes},
journal = {Afrika und Übersee},
number = {3, 4},
pages = {101-118, 149-168},
title = {Grammar of the Tula Language (Northern Provinces, Nigeria)},
volume = {XXXIX},
year = {1955/1956}
}