Vladimír Havrda
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Distribution of the Sources of Pollution and the Cleanness of Rivers in Northern Bohemia
Vladimír Havrda
1966, Vol. 71, Issue 3, pp. 253-261 -
Vymezení severočeské hnědouhelné pánve
Vladimír Havrda
1963, Vol. 68, Issue 1, pp. 13-18
