TY - BOOK AU - Rao Ashok AU - Prof P N Dheer 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 - Thermal expansion of high-Tc superconducting compounds Y1Ba2(Cu1-xMx) 3 Oy for O>=X<=0.04 where M=Fe, Co PY - 1994/// KW - PHYSICS ER -