Strength and failure of rock and coal /
by Z.T. Bieniawski.

APA Citation

Bieniawski, Z. T., Pennsylvania State University. College of Earth and Mineral Sciences. (1986). Strength and failure of rock and coal. University Park, Pa.: Pennsylvania State University, College of Earth and Mineral Sciences.

MLA Citation

Bieniawski, Z. T, and Pennsylvania State University. College of Earth and Mineral Sciences. Strength And Failure of Rock And Coal. University Park, Pa.: Pennsylvania State University, College of Earth and Mineral Sciences, 1986.

Warning: These citations may not always be complete (especially for serials).