@inbook {1532, title = {Green-fronted Lancebill (Doryfera ludovicae) and Blue-fronted Lancebill (Doryfera johannae)}, booktitle = {Handbook of the birds of the world: Barn-owls to hummingbirds}, volume = {5}, year = {1999}, note = {Trochilidae}, pages = {549-550}, publisher = {Lynx Edicions}, organization = {Lynx Edicions}, address = {Barcelona, Spain}, keywords = {citenest, summary}, author = {F. G. Stiles}, editor = {del Hoyo, J. and A. Elliott and J. Sargatal} } @article {707, title = {Spotted Barbtail (Premnoplex brunnescens)}, journal = {Neotropical Birds Online}, year = {2011}, note = {Furnariidae}, publisher = {Cornell Lab of Ornithology}, address = {Ithaca, New York, U.S.A.}, keywords = {citenest, speciesaccounts}, url = {http://neotropical.birds.cornell.edu/portal/species/overview?p_p_spp=43736}, author = {H. F. Greeney}, editor = {T. S. Schulenberg} }