Raising the Wadden Awareness : proceedings of the first international conference on public information and education in the Wadden Sea area EcoMare, Texel, the Netherlands 20-24 September 1993
Gaaff Gerbrand (Vedecký redaktor)
De Koog : EcoMare , 1994. - 135 s. : obr., tab., 30 cm
xkni - KNIHY
1, z toho voľných 1