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| 5 | | Regi | The regional ecological problems [Текст] : Scientific works of IIAREP / International institute association of regional ecological problems i.i.; Ed. M.Harasimiuk, J. Wojtanowicz. — Vol.1. — Lublin : Wyd-wo Uniwersytetu Marii Curie-Sklodowskiej, 1996. — 214s. | |
| | ISBN 83-227-0982-X | |
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