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@misc{
 title = {Galaxy Disks: rotation and epicyclic motion},
 type = {misc},
 websites = {http://web.mit.edu/~lianaiad/Public/OCW/8.284/lec28.pdf},
 id = {b448def3-a987-3ec0-a239-8378d8295c3b},
 created = {2017-06-08T23:02:10.309Z},
 accessed = {2017-06-08},
 file_attached = {true},
 profile_id = {d9ca9665-cda3-3617-b3e8-ecfc7a8d9739},
 group_id = {5a95a0b6-1946-397c-b16a-114c6fdf3127},
 last_modified = {2017-06-13T00:45:53.406Z},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {true},
 citation_key = {Rapp},
 private_publication = {false},
 bibtype = {misc},
 author = {Rappaport, S. and Schechter, Paul}
}