Proceedings of the 26th International Conference of the System Dynamics SocietyBrian C. Dangerfield, Robin S. Langer, Joan M. Yanni, Jennifer I. Rowe · First published 2008Open the Tome
Archaeological survey of the Harwell property on Culebra Creek, Bexar County, TexasAntonia L. Figueroa, Brian Langer, Robert J. Hard, University of Texas at San Antonio. Center for Archaeological Research · First published 2001Open the Tome
