LEADER 00000nam 2200217 a 4500 001 0557936 003 UkHlHU 007 t 008 002202 2 1973 000 eng 040 UkHlHU 050 4 QB 461 H3 100 0 Harwit, Martin. 245 00 Astrophysical concepts. 260 New York :|bWiley,|c1973. 300 561p. 650 0 Solar physics. 650 0 Astrophysics. 650 0 Descriptive astronomy. 946 020 absent -- ISBN check required
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