TY  - BOOK
AU  - Casil, Julius G. 
TI  - Determination of angstrom constants used in estimating solar radiation in the cities of Laoag and Batac 
PY  - 2008///
N1  - Thesis (BS Agricultural Engineering) -- Mariano Marcos State University-College of Agriculture & Forestry, Batac City; Bibliography: leaves 46-47
ER  -