There was a techno thriller realised after the end of the cold war about China invading Siberia for the resources it would afford then and the US helping the Ru

There was a techno thriller realised after the end of the cold war about China invading Siberia for the resources it would afford then and the US helping the Russians because it didn't want Siberia in Chinese hands (because they'd develop the resources where the Russians economically couldn't). Wish I could remember the name of it.