TY  - BOOK
AU  - Sodha M.S. 
AU  - Ghatak, A.K.
AU  - Tripathi, V.K.
TI  - Self-focusing of laser beams in dielectrics, plasmas and semiconductors
U1  - 621.36/6 
PY  - 1974///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Laser beams
ER  -