00477cam a2200157 i 450000500170000000800410001702000110005805000220006908200140009110000270010524500620013226000730019430000150026750000200028265000170030220260407141337.0750331s1975    enk      b    001 0 eng    a06770800aQB991.B54.A6 199700a539.7/2231 aApparao, Krishna M. V.10aComposition of cosmic radiation /cKrishna M. V. Apparao.  aLondon ;aNew York :bGordon and Breach Science Publishers,c[1975].  ax, 86 p. ;  aIncludes index. 0aCosmic rays.