[1]
Cīrule, D. et al. 2001. CONTENT OF EXTRACTIVE SUBSTANCES IN THE PINE WOOD UNDER VARIOUS GROWTH CONDITIONS.
ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference. 1, (Jun. 2001), 14–17
. DOI:https://doi.org/10.17770/etr2001vol1.1925.