@article {1771, title = {An experiment on dung removal by Aphodius larvae (Scarabaeidae) and earthworms}, journal = {Oikos}, volume = {28}, year = {1977}, pages = {130-136}, author = {Holter, P.} } @article {1772, title = {Effect of dung-beetles (Aphodius spp.) and earthworms on the disappearance of cattle dung}, journal = {Oikos}, volume = {32}, number = {3}, year = {1979}, pages = {393-402}, author = {Holter, P.} }