erc: who: Thompson, F. L. what: Water-pressure distribution on seaplane float when: 19271222 where: https://digital.library.unt.edu/ark:/67531/metadc65944/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/