Lexa, J., Šebesta, J., Hernández, W., Chavez, J. A., Vásquez, M. E., & Alfaro, I. A. (2021). Geology of the Metropolitan Area of San Salvador (1: 50 000), El Salvador.

Lexa, Jaroslav, Jiři Šebesta, Walter Hernández, José A. Chavez, Mauricio E. Vásquez, and Ingrid A. Alfaro. Geology of the Metropolitan Area of San Salvador (1: 50 000), El Salvador. 2021.

Lexa, Jaroslav, et al. Geology of the Metropolitan Area of San Salvador (1: 50 000), El Salvador. 2021.