Barna, Joel Warren2024-05-212024-05-211990https://hdl.handle.net/1911/115986engThis work is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.Magazine articleCementPlantReused_Barna_Cite25