“…Coordination has also received many formal syntactic analyses. The conventional analyses developed from entirely "flat" (Chomsky 1957:36) structures to "layered" (binary branching) structures in, e.g., Thiersch (1993a), Munn (1993), Kayne 1994), Johannessen (1998), andZhang (2010). More innovative analyses include various forms of parallel and three-dimensional structures: see, e.g., Goodall (1987), Grootveld (1992), and G. de Vries (1992.…”