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	year = {2009},
	note = {{PDF File, 160 KB}},
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	author = {Karino, C. A. and Costa, D. R. and Laros, J. A.}
}
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	title = {Construction and validation of the SON-R 5-17, the Snijders-Oomen non-verbal intelligence test},
	year = {1991},
	address = {Groningen: Wolters-Noordhoff},
	author = {Laros, J. A. and Tellegen, P. J.}
}
