00564nam a22001457a 4500003000400000005001700004008004100021040001400062100002200076245012700098260001000225300002900235500012200264504003200386OSt20171010095450.0120626t        xxu||||| |||| 00| 0 eng d  aMMSUcULS  aCasil, Julius G.   aDetermination of angstrom constants used in estimating solar radiation in the cities of Laoag and Batac cJulius G. Casil   c2008   axiii, 63 leaves c28 cm.  aThesis (BS Agricultural Engineering) -- Mariano Marcos State University-College of Agriculture & Forestry, Batac City  aBibliography: leaves 46-47