Hansen, C. Pinetum Danicum : notes sent to the Conifer Conference held at Chiswick, October 1891 : reprinted from the Journal of the Royal Horticultural Society, vol. 14. - Conifer Conference report / Conifers collected and observed by Professor Carl Hansen; C. Hansen .— : Printed by Spottiswoode & Co., 1892 .— 226 с. — Lang: eng .— URL: https://rucont.ru/efd/126832 (дата обращения: 11.11.2025)