Cita APA

Ortiz Sánchez, O., & Canchari Silverio, G. (2016). Optimal spacing of levels and chimneys in underground mining.

Citación estilo Chicago

Ortiz Sánchez, Oswaldo, y Godelia Canchari Silverio. Optimal Spacing of Levels and Chimneys in Underground Mining. 2016.

Cita MLA

Ortiz Sánchez, Oswaldo, y Godelia Canchari Silverio. Optimal Spacing of Levels and Chimneys in Underground Mining. 2016.