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@VorsichtBienen are you referring to winter I guess? as for summer, I know the technique is becoming popular also in germany https://t.co/ESvSREECs3
@VorsichtBienen are you referring to winter I guess? as for summer, I know the technique is becoming popular also in germany https://t.co/ESvSREECs3
RT @radallo: some papers are also worth a second read https://t.co/cexZPitM7O
some papers are also worth a second read https://t.co/cexZPitM7O