The Use of a Logit Model to Predict the Probability of Damage to Building Structures in Mining Terrains

Authors:  J . Ostrowski, A . Ćmiel

Coal Production Costs Components and Coal Price as Crucial Factors in the Designation of Coal Output

Authors:  M. Jaszczuk, J . Kania

Unconventional Technologies of Coal Seams Extraction and Processing

Author: Yu . F. Vasyuchkov

Numerical Simulation of Ventilation of Blind Drifts with a Force- Exhaust Overlap System in the Condition of Methan and Dust Hazards

Authors: M . Branny, W. Filipek 

Three-dimensional Distribution of Temperature and Gas Concentration in Longwall Drifts Accompanying the Phenomenon of Self-combustion of Coal Deposited in Longwall Goafs

Author: P. Skotniczny

Technology of Exposing Lignite Deposit with Application of the Temporary Dump on the Pre-field of Exploitation Front Based on Example of Open Pit “Drzewce” in Konin Lignite Mine

Authors: Z . Kasztelewicz, M . Zajączkowski, Z . Jagodziński

The Analogy Between the Conditions Concerning Airflow Outputs Sensitivity Signs to Changes in the Resistance of Side Branches and H. Czeczott’s Conditions Concerning the Flow Direction in a Simple Diagonal Network

Author: M . Kolarczyk

Levels of Possible Self-heating of Coal Against Current Research

Author: S . Trenczek

Energy Saving Control Method of Electrical Drives in Coveyor Belts with Regulated Speed in Surface Brown Coal Mine

Authors: Z . Kasztelewicz, J . Szymański