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	J/ApJS/166/634	24		OIV Effective collision strength (Tayal+, 2006) ReadMe+ftp Similar Catalogs
	J/ApJS/166/634/table1		Calculated and experimental excitation energies of O IV energy levels (54 rows)
	J/ApJS/166/634/table2		Oscillator strengths and transition probabilities in O IV (121 rows)
	J/ApJS/166/634/table4		Effective Collision Strengths for transitions in O IV (460 rows)
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