TY - BOOK AU - Roychoudhury Souvika AU - Prof P C Jain 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 - Positron annihilation studies in ctab/water/hexanol system PY - 1991/// KW - PHYSICS ER -