New magnetostrictive materials and transducers—II (Results obtained for magnetization and electrical measurements and measurements of fundamental constants, for types of transducer that are actually used in industrial ultrasonics ie not ‘idealized’ types chosen for convenience in obtaining type of measurement sought): Neppiras, E.A. Journal of Sound and Vibration, Vol 8, No 3 (November 1968) pp 431–456 (1005)