{"contributors":[{"last":"Gurfil","first":"Pini","function":"author"}],"title":"Modern astrodynamics","style":"apa","source":"website","website":{"title":"Modern astrodynamics"},"isbn":null,"pubonline":{"url":"http:\/\/www.engineeringvillage2.org\/controller\/servlet\/Controller?CID=ebookSearch&database=131072","title":"Modern astrodynamics"},"oclc":"629742274","datasource":"http:\/\/www.worldcat.org","pubtype":{"main":"pubonline"}}