Authors: Hogstad, O

Citation: O. Hogstad, Sexual difference in heavy metal contamination in the liver of tits Parus in winter, ORNIS FEN, 78(1), 2001, pp. 39-43

Authors: Selas, V Hogstad, O Andersson, G von Proschwitz, T

Citation: V. Selas et al., Population cycles of autumnal moth, Epirrita autumnata, in relation to birch mast seeding, OECOLOGIA, 129(2), 2001, pp. 213-219

Authors: Hogstad, O

Citation: O. Hogstad, Fluctuation of a breeding population of Brambling Fringilla montifringilladuring 33 years in a subalpine birch forest, ORNIS FEN, 77(3), 2000, pp. 97-103

Authors: Hogstad, O

Citation: O. Hogstad, Territory acquisition during winter by juvenile Willow Tits Parus montanus, IBIS, 141(4), 1999, pp. 615-620

Authors: Hogstad, O

Citation: O. Hogstad, Territorial behaviour of non-breeding Willow Warblers Phylloscopus trochilus during the breeding season, IBIS, 141(3), 1999, pp. 493-496