Nature and origin of coal and coal seams

समान संसाधन

• Textbook of coal
  द्वारा: Chandra, D
  प्रकाशित: (2000)
• Coal geology /
  द्वारा: Thomas, Larry
  प्रकाशित: (2013)
• Coal toll
• Freeing coal
  द्वारा: Anupam Chakravartty
• The Nature and Origin of coal and coal Seams
  द्वारा: Raistrick, A. and Marshall C.E
  प्रकाशित: (1952)