Search Results - "1990"

Στατιστική επετηρίδα της Ελλάδος 1990-1991

Subjects: “…1990-1991…”

Proceedings of the fourth Meeting of the Conference of the Contracting Parties

Subjects: “…Montreux 1990…”

Proceedings of the fourth Meeting of the Conference of the Contracting Parties

Subjects: “…Montreux 1990…”

Managing water resources in the west under conditions of climate uncertainty

Subjects: “…Αριζόνα 1990…”

Conservation of wetlands in the Netherlands

Subjects: “…Ελβετία 1990…”

Britain 's birds in 1990-91

Subjects: “…1990-1991…”

Birds of the Messolonghi wetlands by Cottaar F.

Subjects: “…1990…”

Γλώσσα - Ιστορία - Λαογραφία

Subjects: “…Λαμία 1990…”

A Directory of wetlands of international importance

Subjects: “…Ελβετία 1990…”

Proceedings of the fourth Meeting of the Conference of the Contracting Parties

Subjects: “…Montreux 1990…”

Expert Consultation on Revision of FAO Methodologies for Crop Water Requirements by Smith M.

Subjects: “…Ρώμη 1990…”

Convention on wetlands of international importance especially as waterfowl habitat, Montreux, Switzerland 27 June to July 1990.

Subjects: “…Ελβετία 1990…”
Ramsar Convention on Weltands

Waterfowl and wetland conservation in the 1990s

Subjects: “…1990…”

Waterfowl and wetland conservation in the 1990s

Subjects: “…1990…”

Προστασία υγροτόπων και διαχείριση δασών ήπιας μορφής by Γκεβρέκης Ι.

Subjects: “…Δυτική Γερμανία 1990…”

Πρόγραμμα ανάπτυξης

Subjects: “…1990-1999…”

Industrial wastewater treatment and disposal

Subjects: “…Κύπρος 1990…”

Anaerobic treatment technology for municipal and industrial wastewaters

Subjects: “…Ισπανία 1990…”

Τεχνική έκθεση

Subjects: “…1990…”

Environmental biotechnology

Subjects: “…Τσεχοσλοβακία 1990…”