Advanced Materials for Membrane Fabrication and Modification Gray, Stephen Digital bok / 2018 / Engelsk
Australia's National Defence Strategy Old Wine in New Bottles? Gray, Stephen J Heftet / 2012 / Engelsk
Becoming a True Disciple The Revolution of Spirit-Led Disciples of Christ Gray, Stephen L Heftet / 2016 / Engelsk
Correlation of Human Capital on Costs of Air Force Acquisition Programs Gray, Stephen E Heftet / 2012 / Engelsk
Cannabis and Spirituality An Explorer's Guide to an Ancient Plant Spirit Ally Gray, Stephen Heftet / 2017 / Engelsk
Cannabis y espiritualidad Guía para el explorador de un aliado vegetal ancestral Gray, Stephen Heftet / 2025 / Spansk
Efficient Desalination by Reverse Osmosis A guide to RO practice Burn Stewart Heftet / 2015 / Engelsk
Natal Papers of ''John Ross' Loss of the Brig Mary at Natal with Early Recollections of That Settlement and Among the Caffres Maclean Charles Rawden Heftet / 1996 / Engelsk
Psychedelic Mystery Traditions Spirit Plants, Magical Practices, and Ecstatic States Hatsis Thomas Heftet / 2018 / Engelsk
