Steelman, Karen L., Boyd, Carolyn E., and Allen, Trinidy. Two independent methods for dating rock art: Age determination of paint and oxalate layers at Eagle Cave, TX. Retrieved from https://par.nsf.gov/biblio/10294701. Journal of Archaeological Science 126.C Web. doi:10.1016/j.jas.2020.105315.

Steelman, Karen L., Boyd, Carolyn E., & Allen, Trinidy. Two independent methods for dating rock art: Age determination of paint and oxalate layers at Eagle Cave, TX. Journal of Archaeological Science, 126 (C). Retrieved from https://par.nsf.gov/biblio/10294701. https://doi.org/10.1016/j.jas.2020.105315

Steelman, Karen L., Boyd, Carolyn E., and Allen, Trinidy. "Two independent methods for dating rock art: Age determination of paint and oxalate layers at Eagle Cave, TX". Journal of Archaeological Science 126 (C). Country unknown/Code not available. https://doi.org/10.1016/j.jas.2020.105315. https://par.nsf.gov/biblio/10294701.

@article{osti_10294701,
place = {Country unknown/Code not available}, title = {Two independent methods for dating rock art: Age determination of paint and oxalate layers at Eagle Cave, TX}, url = {https://par.nsf.gov/biblio/10294701}, DOI = {10.1016/j.jas.2020.105315}, abstractNote = {}, journal = {Journal of Archaeological Science}, volume = {126}, number = {C}, author = {Steelman, Karen L. and Boyd, Carolyn E. and Allen, Trinidy}, editor = {null} }