APA (7th ed.) Citation

Urbańczyk, J., & Szczepaniak, Z. MAINTAINING THE STABILITY OF DEVELOPMENT WORKINGS IN COAL MINES.

Chicago Style (17th ed.) Citation

Urbańczyk, Jan, and Zenon Szczepaniak. MAINTAINING THE STABILITY OF DEVELOPMENT WORKINGS IN COAL MINES.

MLA (9th ed.) Citation

Urbańczyk, Jan, and Zenon Szczepaniak. MAINTAINING THE STABILITY OF DEVELOPMENT WORKINGS IN COAL MINES.

Warning: These citations may not always be 100% accurate.