| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The cyclical behavior of the electricity market in Poland market leading indicators - RafaĹ Kasperowicz | 978-83-7780-476-6 (83-7780-476-X) | 2019 |
| Wskazniki wyprzedzajace konsumpcji energii elektrycznej w Polsce | 978-83-7780-475-9 (83-7780-475-1) | 2012 |