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You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: data on s&p 500 index (illiquid data) are available from bloomberg by subscription services at website: http://www.bloomberg.com/professional/order-now/?bbgsum=dg-ws-core-orderhpg, http://www.bloomberg.com/markets/world. data on fib 30 index futures are available from mancino, m.e. and sanfelici, s. (2008. robustness of the fourier estimator of integrated volatility in presence of microstructure noise. computational statistics and data analysis, 52(6), 29662989 by contacting the corresponding author of that paper simona sanfelici (email: simona.sanfelici@unipr.it).
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yes<|eot_id|>