TY  - BOOK
AU  - Unnikrishnan, A
AU  - Advised by Murthy, Narasimha M.
TI  - Some hierarchical data structures based on quadtrees
U1  - 001.64 N87 
PY  - 1987///
CY  - Bangalore
PB  - Indian Institute of Science
N1  - PhD;1987;Electrical Engineering
ER  -