TY - BOOK AU - Surinder Kumar AU - Prof K d Choudhary Supervisor AU - University of Delhi. Faculty of Science. Department of Physics and Astrophysics ED - University of Delhi. Faculty of Science. Department of Physics and Astrophysics TI - Study of ultrasonic absorption in the intermediate state, and normal and superconducting states of pure and doped type-1 superconductors PY - 1974/// KW - PHYSICS ER -