01109nam0M2200373--I450-99000046685020331619971112000000.00-7923-9811-40046685USA010046685(ALEPH)000046685USA010046685Aug 14, D19971997||||| ITA@01 BAengUSa|||||||001yyPiezoelectric actuators and ultrasonic motorsby Kenji UchinoBoston [etc.]Kluwer Academicc1997VIII, 349 p.ill.24 cmElectronic materials2001Electronic materialsDispositivi elettronici629.8315UCHINO,Kenji543355ITICCU19980723RICA990000466850203316629.831 5 UCH16115 Ing.62900072306BKTECJOHNNY9020010524USA01150120020403USA011655PATRY9020040406USA011632Piezoelectric actuators and ultrasonic motors889089UNISA