|160927-PA||Jumps in Proved Unconventional Gas Reserves Present Challenges to Reserves Auditing||US $ 30.00||Remove|
|Subtotal:||US $ 30.00|
|Estimated sales tax: (Texas addresses only)*||US $ 0.00||Calculated later|
|Total:||US $ 30.00|
* Taxes will be calculated once an address is entered during checkout.
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