Akhani, H.; M. Djamali; A. Ghorbanalizadeh & E.Ramezani, 2010. Plant biodiversity of Hyrcanianrelict forests, N Iran: an overview of the flora,vegetation, palaeoecology and conservation,Pakistan Journal of Botany 42, 231-258.
Baillie, M.G.L.1994, Dendrochronology raises questionsabout the nature of the AD 536 dust-veil event,The Holocene 4/2, 212-217.
Ebn Isfandīyār, Muḥammad b. Ḥasan,1941, Tārīkh-eṬabaristān, Tehran, edited by ’Abbas Iqbal.
Frey, W. & W. Probst, 1986, A synopsis of the vegetationof Iran, in Kürschner, H. (ed.), Contribution to theVegetation of Southwest Asia, Wiesbaden, 1-43.
Greguss, P. 1959, Holzanatomie der EuropaïschenLaubhölzer und Straücher, Budapest.
Helama, S.; L. Arppe; J. Uusitalo; J. Holopainen; H. M.Mäkelä; H. Mäkinen; K. Mielikäinen, P. Nöjd,
R. Sutinen; J.-P. Taavitsainen; M. Timonen &M. Oinonen, 2018, Volcanic dust veils fromsixth century tree-ring isotopes linked to reducedirradiance, primary production and human health.Scientific Reports 8, 1339.
Jafari, S. M.; S. Zarre; S.K. Alavipanah & F.Ghahremaninejad, 2015, Functional turnoverfrom lowland to montane forests: Evidence fromthe Hyrcanian forest in northern Iran, iForestBiogeosciences and Forestry 8.3, 359-367.
Keshavarz, M. 2012. Espahbood Khorshid Cave,Mazandaran Identity Letter 28, Tehran.
Keshavarz, M., R. Dan & P. Vitolo, 2015, Un sitoarcheologico sasanide nella regione delMazandaran (Iran), Bollettino Unione Storia edArte 10, 151-162.
Leestmans, R. 2005, Le refuge caspiens et son importanceen biogeographie, Linneana Belgica 20.3, 97-102.
Leroy, A. G. S. & K. Arpe, 2007, Glacial refugia forsummer-green trees in Europe and south-west Asiaas proposed by ECHAM3 time-slice atmosphericmodel simulations, Journal of Biogeography34.12, 2115-2128.
Mazhari Motlagh, M. 2011, Sasanian Vaults, e-Sasanika16, 1-16.
Miller, A.G. 1994, Hyrcanian forests, Iran andAzerbaijan, in Davis, S.D., Heywood, V.H.,Hamilton, A.C. (eds.), Centres of Plant Diversity,A Guide and Strategy for their Conservation, Vol.1, Oxford, 343-344.
Mobayen, S. & V. Tregubov, 1970, Carte de la vegetationnaturelle de l’Iran. Faculte des Forets etPaturages, Universite de Tehran, Tehran.
Niloufari, P. 1986, Textbook of wood technology I.Structure, identification, defects and uses of theIranian timbers, with notes on commercial timbersof the world, (Persian and English), Tehran.
Sabeti, H. 1976, Forests, trees, and shrubs of Iran, IranUniversity of Science and Technology Press,Tehran.
Schweingruber, F. H.1978, Mikroskopische holzanatomie,Birmensdorf.
Schweingruber, F. H. 1990, Anatomie europäischerHölzer, Bern und Stuttgart.
Schweingruber, F. H. 1996, Tree Rings and Environment.Dendroecology, Birmensdorf.
Sheykhli, C. 1961. Skote 1300 sale ghare SpahboodKhorshid, Kooh va Tabiat 35, 44-51.
Soortijee, S. 2003, Ancient Forts of Mazandaran, (InPersian), Department of Education, CulturalProducts and Publications of the Heritage, Tehran.
Sotudeh, M. 1987, Az Astara ta Astarabad, Tehran.
Zohary, M. 1973, Geobotanical foundations of theMiddle East, vol. 1-2, Stuttgart.