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Evaluating the exploration efficiency of oil and gas firms using SFAS 69 supplemental disclosures
Boynton, Charles E., (1999)
Oil and gas reserve value disclosures and bid-ask spreads
Boone, Jeffery P., (1998)
An investigation of the effects of SFAS No.121 on asset impairment reporting and stock returns
Alshabani, Waleed Mohammad, (2001)