00635nam a22001697a 4500003000800000005001700008008004100025040002100066082001800087100002500105245013700130260004100267300002700308500007000335504004100405650001900446BD-DhUL20151122092751.0151122s198710  bg a|||| m||| 00| 0|eng d  aBD-DhULcBD-DhUL  a551.5273bKHS  4Khan, Md.Feroz Alam.  aA study of atmospheric turbidity coefficients from measurements of the direct solar radiation /cMd.Feroz Alam Khanh[M.Phil Thesis]  aDhaka :bUniversity of Dhaka,c1987.  a81p. :bill ;c29 c.m.  aThesis (PhD) -- Department of Physics, University of Dhaka, 1987.  a Includes biblographical references.  2Earth science.