@book { 77 , title = {The pests of crops in Indonesia}, year = {1981}, pages = {ix + 701}, publisher = {P.T. Ichtiar Baru- Van Hoeve}, organization = {P.T. Ichtiar Baru- Van Hoeve}, author = {Kalshoven, L.G.E.} } @article { 31 , title = {Notes on the habits and ecology of Indonesian forest insects of minor importance III. Curculionidae.}, journal = {Entomologische Berichten}, volume = {16}, year = {1956}, author = {Kalshoven, L.G.E.} }