• Radioisotopes with very long half-lives are not environmental hazards .
• Alluvial rivers have long posed an environmental problem because of the overbank flooding.
• Radioisotopes with very long half-lives are not environmental hazards .
• Alluvial rivers have long posed an environmental problem because of the overbank flooding.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012