Granhus, A., Brække, F.H., Hanssen, K.H. & Haveraaen, O. 2003. Effects of partial cutting and scarification on planted Picea abies in partially cut stands in southeast Norway. - Scandinavian Journal of Forest Research 18: 237-246.

Hanssen, K.H., Granhus, A., Brække, F.H. & Haveraaen, O. 2003. Performance of sown and naturally regenerated Picea abies seedlings under different scarification and harvesting regimes. - Scandinavian Journal of Forest Research 18: 351-361.

Haveraaen, O., Fjeld, D. & Granhus, A. 1999. Selective harvesting in uneven-aged spruce forests - damage to advance regeneration and need for supplementary treatments. - Proceedings from IUFRO 1.14.00 Interdiciplinary uneven-aged management symposium. Corvallis, Oregon State University: 274-287.

Haveraaen, O. 1986. Ash fertilizer and commercial fertilizers as nutrient sources for peatland. - Reports from the Norwegian Forest Research Institute 39(14): 251-263.

Dietrichson, J., Rognerud, P.A., Haveraaen, O. & Skrøppa, T. 1985. Stem cracks in Norway spruce (Picea abies (L.) Karst.). - Reports of the Norwegian Forest Research Institute 38(21): 1-32.

Nilsen, P. & Haveraaen, O. 1982. An analysis of increment in mature stands of Norway spruce. - Norwegian Forest Research Institute. Research Paper 13/82: 1-38.

Haveraaen, O. 1981. Growth development in a 20 years old planting spacing experiment with spruce, Picea abies (L.) Karst. - Communications of the Norwegian Forest Research Institute 36(7): 1-27.

Haveraaen, O. 1981. The effect of cutting on water quantity and water quality from an East-Norwegian coniferous forest. - Reports of the Norwegian Forest Research Institute 36(7): 1-27.

Haveraaen, O. 1972. Results from 35 fertilizer experiments from forests in Hedmark county. - Sør-Østerdal Forsøksring, Melding 10: 63-73.

Haveraaen, O. 1969. Forest ecological studies on old, drained peat land in Nord-Trøndelag. - Scientific reports of the Agricultural University of Norway 48(1): 1-89.

Haveraaen, O. 1967. Growth and nutrient studies in a fertilizer experiment with Black spruce, Picea mariana (Mill.) on peat land. - Communications of the Norwegian Forest Research Institute 23: 138-175.

Haveraaen, O. 1964. Copper deficiency of Norway spruce. - Tidsskrift for skogbruk 72: 289-300.

Haveraaen, O. 1960. Clearing in young stands of pine (Pinus silvestris) and spruce (Picea abies). - Tidsskrift for skogbruk 68: 49-97.