Mohd Razali Hanipah Development of a spark ignition free-piston engine generator / Mohd Razali Hanipah - United Kingdom : Newcastle University, 2015 - xx, 192 p. : ill. ; 30 cm. Thesis (Doctor of Philosophy) -- Newcastle University - 2015 Bibliography: p. 182-187 ISBN: THE0006321(Local) Subjects--Topical Terms: Spark plugsFree piston enginesInternal combustion engines