by Xueyan Liu , Kumar Anupam , Sandra Erkens , Tan Yiqiu
![[William Wheeler Hubbell, authorized to apply for patents.]](https://covers.openlibrary.org/b/id/10200621-M.jpg)
United States. Congress. Senate. Committee on Patents
United States. National Transportation Safety Board.
Rajib Basu Mallick
DK Publishing
Ireland. Department of the Environment.
United States. General Accounting Office