{"id":"anderson2008anomalous","DOI":"10.1103/PhysRevLett.100.091102","URL":"https://doi.org/10.1103/PhysRevLett.100.091102","type":"article-journal","title":"Anomalous Orbital-Energy Changes Observed during Spacecraft Flybys of Earth","author":[{"given":"John D.","family":"Anderson"},{"given":"James K.","family":"Campbell"},{"given":"John E.","family":"Ekelund"},{"given":"Jordan","family":"Ellis"},{"given":"James F.","family":"Jordan"}],"issued":{"date-parts":[[2008]]},"year-text":"2008","container-title":"Physical Review Letters 100(9), 091102","catalog-key":"SRC0CWYDZQP6RHF"}