00359nam a2200157Ia 4500008004000000041000800040082001000048100001500058245003800073260004300111300000800154650001100162650001000173650001100183650000700194210210b1954   xxu||||| |||| 00| 0 eng d  aeng  a520/2  aALFVEN (H)  aOn the origin of the solar system  aLondonbOxford  University Pressc1954  a194  asystem  asolar  aorigin  aOn