00593nam a22001577a 4500003000800000005001700008008004100025040002100066082001800087245012100105260004100226300004100267500007000308504004100378650001600419BD-DhUL20161020114651.0161020s1969    b  a|||| m||| 00| 0 eng |  aBD-DhULcBD-DhUL  a539.7223bASY00aThe asymptotic direction approach of cosmic rays in a high degree simulation of the geomagnetic field /h[MS Thesis]  aDhaka :bUniversity of Dhaka,c1969.  avarious in pagings :bill. ;c29 cm.  aThesis (MS ) -- Department of Physics, University of Dhaka, 1969.  aIncludes bibliographical references.00aCosmic rays