TY  - BOOK
AU  - Cvetkovic,D
TI  - Exploration and Evaluation of the Gold placer in the Karadokundu and Thottapala bars,Punna puzha river ,Nilambur valley area: Field season 1981
U1  - 553 CVE.E 
PY  - 1981///
CY  - Thiruvananthapuram
PB  - Kerala Mineral exploration and Development
ER  -