TY  - BOOK
AU  - Singhal, Ashok Kumar
TI  - Lunar occultation observations a study of cosmic evolution of extragalactic radio sources : Ph.D. Thesis 
U1  - 520/525 (043.2)  
PY  - 1988///
CY  - Ooty
PB  - Tata Instutute of Fundamental Research
KW  - Extragalactic radio sources
KW  - Thesis
ER  -