1. Barczak TM, Mucho TP, Dolinar DR (2000) Design methodology for standing secondary roof support systems. In: Mark C, Dolinar DR, Tuchman RJ, Barczak TM, Signer SP, Wopat PF (eds) New technology for coal mine roof support. National Institute for Occupational Safety and Health (NIOSH), information circular 9453, Pittsburgh, PA, pp 133–150
2. Lawrence W (2009) A method for the design of longwall gateroad roof support. Int J Rock Mech Min Sci 46:789–795
3. Mahdevari S (2016) Assessment of roof strata failure in longwall mining using non-destructive tests. PhD Thesis, Amirkabir University of Technology, Tehran, Iran (in Persian)
4. Peng SS (2006) Longwall mining, 2nd edn. Morgantown, West Virginia, ISBN: 0-9789383-0-5
5. Bieniawski ZT (1987) Strata control in mineral engineering. Wiley, ISBN: 9780470203293