| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| DIY: How to Make Cheap Air Conditioning Earth Tubes: Do It Yourself Homemade Air Conditioner - Non-Electric Sustainable Design - Geothermal Energy - Passive Heating and Cooling | 978-1-5232-6O1O-2 (1-5232-6O1O-6) | 2016 |