Сcылки

 1) http://community.livejournal.com/ubili_pochvu/profile  - посвящен уничтожению верхнего слоя почвы.

2) http://www.biodiversity.ru/publications/press/press2006/parl-gaz290606.html

3) http://achadidi.livejournal.com/11436.html

4) http://achadidi.livejournal.com/1739.html?view=34251

5) https://www.facebook.com/groups/za.travu/

https://www.facebook.com/groupinvite/ATVhphkqEFfbBzY7vtXpyR_vmrrpizlkv3YHXc0g6Se6NV6IMFlpGChMoB3QH9r4atLhEBfu_C6gHphL6OokWL-fBINIGBh7Ss_p7B3cBNBFdEXnKFKiOTWVRV7egeakf7dSuSAkgNHCQJ_dZ9NLCZ4GLXbXHNWEga1kDoq8AzhnCEzWT5yFxPuWaG9tKvcm7P4fKeRcELyfiktEaYpNyoNi