1987 IAAF World Indoor Championships (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "1987 IAAF World Indoor Championships" in English language version.

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1iaaf-ebooks.s3.amazonaws.com

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iaaf-ebooks.s3.amazonaws.com

Mark Butler (ed.), "DOPING VIOLATIONS AT IAAF WORLD INDOOR CHAMPIONSHIPS", IAAF Statistics Book – World Indoor Championships SOPOT 2014 (PDF), IAAF, pp. 47–48, retrieved September 27, 2015^{[permanent dead link‍]}