77 FR 4890
There are multiple documents on volume 77, page 4890. Which document are you looking for?
DOE Patent Licensing Regulations
Pages 4887 - 4890
A Rule by the Energy Department
Damage Tolerance and Fatigue Evaluation for Composite Rotorcraft Structures, and Damage Tolerance and Fatigue Evaluation for Metallic Structures; Correction
Pages 4890 - 4891
A Rule by the Federal Aviation Administration