Allsopp M., Tirado R., Johnston P., Santillo D., Lemmens P. (May 2014) Hrsg: Greenpeace: Plan Bee – Living Without Pesticides Moving towards ecological farming .
Quelle/Source
- Plan Bee – Living Without Pesticides
- http://sos-bees.org/reports/
Quelle/Source
- Plan Bee – Living Without Pesticides
- http://sos-bees.org/reports/