Refractory materials -- Environmental aspects : Development in wastewater treatment research and processes : innovative trends in removal of refractory pollutants from pharmaceutical wastewater / edited by Susana Rodriguez-Couto, Maulin P. Shah
Persistent pain that is refractory to some or all forms of treatment
1
Refrain. : Devotional refrains in medieval Latin song / Mary Channen Caldwell
2022
1
Refraktion. : Nicole Oresme's De visione stellarum (On seeing the stars) : a critical edition of Oresme's treatise on optics and atmospheric refraction / with an introduction, commentary, and English translation by Dan Burton
2007
1
Reframing the future (Project) : New Ways of Working in VET : a report on staff development and change management projects that were supported by Reframing the Future and funded through the Australian National Training Authority in 2004 / John Mitchell ... [and others]