Vanoverbergh, M. 1953. Religion and Magic among the Isneg: Part I: The Spirits. Anthropos 48. 71-104.
@article{vanoverbergh1953a, author = {Vanoverbergh, M.}, journal = {Anthropos}, number = {1-2}, pages = {71-104}, title = {Religion and Magic among the Isneg: Part I: The Spirits}, url = {http://www.jstor.org/stable/40451189}, volume = {48}, year = {1953} }