TY - BOOK AU - Sreekumar, R. AU - TI - Investigations of phase transitions in selected high TC super conductors and ferro electrics using ultrasonic technique SN - ISBN: U1 - 539.3:537.312.62 PY - 1993/// CY - Kochi PB - Dept. of physics KW - Phase transition KW - Superconductors KW - Electronics KW - Electric conductors KW - ultrasonic techniques N1 - Thesis(Ph.D) Cochin University of Science and Technology, 1993 ER -