TY - BOOK AU - Sharma Mrityunjay AU - Prof P C Jain 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 - Molecular dynamic studies in some liquid crystalline systems employing positron lifetime spectroscopy PY - 2002/// KW - PHYSICS ER -