erc: who: Bennett, Floyd V. what: Charts for estimating the effects of short-period stability characteristics on airplane vertical-acceleration and pitch-angle response in continuous atmospheric turbulence when: 19570600 where: https://digital.library.unt.edu/ark:/67531/metadc56515/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/