Acoustic Wave and Electromechanical Resonators: Concept to Key Applications by Humberto Companella. Hardcover, excellent condition, $10.00. 345 pages. Published In 2010 by Artech House Publishers. This book provides you with a comprehensive understanding of FBAR ( thin film bulk acoustic wave resonator ), MEMS ( micro electromechanical system ) and NEMS ( Nano electromechanical system ) Resonators. I'm in Gresham Oregon by Gresham golf course. Text or email ok. Thank you for looking.