1. Developments in Precision Casing Joint and Radioactive Bullet Measurements for Compaction Monitoring;Allen,1981
2. Physical Changes of Reservoir Properties Caused by subsidence and Repressuring Operations, Wilmington Field, California;Allen,1967
3. The Mechanics of Compaction and Rebound, Wilmington Oil Field, Long Beach, California, U.S.A.;Allen,1970
4. Subsidence in the Wilmington Oil Field, Long Beach, California, U.S.A.;Allen,1970
5. Ekofisk Subsidence: The Problem, The Solution, and The Future;Am,1988