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1
Availability of coal resources for mining in Illinois
Middletown Quadrangle, central Illinois
Circular / Illinois State Geological Survey. Department of Registration and Education, State of Illinois ; 554
Exemplar:
Zentrale:Magazin bc 0469-554
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2
Deep-minable coal resources of Illinois
Circular / Illinois State Geological Survey. Department of Registration and Education, State of Illinois ; 527
Exemplar:
Zentrale:Magazin bc 0469-527
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Proceedings of the tenth ACM symposium on Access control models and technologies ,
8
Context sensitive access control:
, In:
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Proceedings of the 2nd ACM international workshop on Wireless mobile applications and services on WLAN hotspots ,
9