@misc{81b1e0285e014d8387471dcafe4487d9,
title = "Piston assembly for use in a free piston internal combustion engine",
author = "Berlinger, \{Willibald G.\} and Moser, \{William E.\} and Opris, \{Cornelius N.\} and Wark, \{Christopher G.\} and Weiss, \{Leland W.\}",
note = "A piston assembly, particularly suitable for use in a free piston internal combustion engine (10), is provided with a piston (14, 50, 62, 80, 102, 122, 140) including at least one oil coolant passage (21, 54, 72, 86, 108, 132, 142) therein.",
year = "2001",
month = oct,
day = "4",
language = "American English",
type = "Other",
}