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Proceedings of symposium on drilling technology and engineering aids to geoogical exploration calcutta 12th to 15th february 1980 Special publication No.4

ग्रंथसूची विवरण
मुख्य लेखक: Special publication
स्वरूप: Printed Book
भाषा:English
प्रकाशित: Newdelhi Geological Survey of India 1980