individual publications

• academic article

  • Habitat and laying date in Great and Blue Tit.  Ibis.  126:388-397. 1984
  • Laying interruptions in Tits Parus spp.  The Ibis.  125:370-376. 1983
  • Polygyny by Blue Tits.  British Birds.  76:34-37. 1983
  • Competition and the regulation of numbers in Great and Blue Tit.  Ardea.  68:121-132. 1980
  • Competition between Great Tit and the Blue Tit outside the breeding season in field experiments.  Ecology.  61:1291-1296. 1980
  • Temperature and date of laying by tits Parus spp.  Ibis.  121:329-331. 1979
  • Will Great Tits become Little Tits? .  Biological Journal of the Linnean Society.  11:289-294. 1979
  • Tits sitting on empty nests.  British Birds.  71:600. 1978