TY - BOOK AU - Sharma Seema AU - Prof. G. L. Bhalla Gu. 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 - Investigation on water degradation of Sr/sub2+, A 1/sub3+ and Zn/sub2+ substituted YB/sub2, Cu/sub3,O/sub7-5 PY - 2004/// KW - PHYSICS ER -