Jácome, María I., Carlos Izarra, Vincenzo Constanzo-Álvarez, and Oscar Mirón-Valdespino. “Gravimetric Modeling of the Parguaza Granitic Intrusion, Guyana Precambrian Shield, Southwestern Venezuela Using Geochronological Constraints”. Geofisica Internacional 43, no. 3 (July 1, 2004): 383–393. Accessed May 18, 2024. http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/965.