= пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅ - пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ 33 22 33
| [книга] |
| Пречистване на природни води / Петър Колев Калинков |
: | |
| София : Техника |
| 2013 |
| 344 с. : с ил. ; 24 см |
|
|
ISBN: | 978-954-03-0703-9 |
| 628.1:628.3(075.8) |
| |
|
----------------- | --------------------------------------------------- | | C267450 Ч 624/628 / К17 | | 2014000999 дп | | Депозит | | |
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