TY  - BOOK
AU  - Sharma Surendra Raj
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 insome liquid crystalline materials
PY  - 1981///
KW  - PHYSICS
ER  -