EcoWaters

year of pub­li­ca­ti­onISBNauthor(s)title
2000978-0-9666783-0-7David Del Porto · Carol SteinfeldComposting Toilet System Book: A Practical Guide to Choosing, Planning and Maintaining Composting Toilet Systems
2007978-0-9666783-1-4Carol SteinfeldLiquid Gold: The Lore and Logic of Using Urine to Grow Plants
2008978-0-9666783-3-8Carol Steinfeld · David Del PortoComposting Toilet System Book: A Practical Guide to Choosing, Planning and Maintaining Composting Toilet Systems