Hilton, Geoff M.; Hansell, Mike H.; Ruxton, Graeme D.; Reid, Jane M.; Monaghan, Pat (July 2004). "Using Artificial Nests to Test Importance of Nesting material and Nest Shelter for Incubation Energetics". The Auk. 121 (3): 777–787. doi:10.1642/0004-8038(2004)121[0777:UANTTI]2.0.CO;2. ISSN0004-8038. S2CID86123694.
Hilton, Geoff M.; Hansell, Mike H.; Ruxton, Graeme D.; Reid, Jane M.; Monaghan, Pat (July 2004). "Using Artificial Nests to Test Importance of Nesting material and Nest Shelter for Incubation Energetics". The Auk. 121 (3): 777–787. doi:10.1642/0004-8038(2004)121[0777:UANTTI]2.0.CO;2. ISSN0004-8038. S2CID86123694.
Hilton, Geoff M.; Hansell, Mike H.; Ruxton, Graeme D.; Reid, Jane M.; Monaghan, Pat (July 2004). "Using Artificial Nests to Test Importance of Nesting material and Nest Shelter for Incubation Energetics". The Auk. 121 (3): 777–787. doi:10.1642/0004-8038(2004)121[0777:UANTTI]2.0.CO;2. ISSN0004-8038. S2CID86123694.