What concepts are described in the following sentence?

"Eric Flint, influenced by Robert A. Heinlein, is the author of 1634: The Bavarian Crisis and it's predecessor 1634: The Baltic War."

Return the answer as pairs of triples.
1634: The Bavarian Crisis AUTHOR Eric Flint
Eric Flint INFLUENCED_BY Robert A. Heinlein
1634: The Bavarian Crisis PRECEDED_BY 1634: The Baltic War