| Ardea Official journal of the Netherlands Ornithologists' Union | 
| Veistola S., Lehikoinen E. & Iso-Iivari L. (1995) Breeding biology of the Great Tit Parus major in a marginal population in northernmost Finland. ARDEA 83 (2): 419-420 | 
| geen Nederlandse samenvatting beschikbaar op internet |