TARMIAN, Asghar, Mohammad AZADFALLAH, Hadi GHOLAMIYAN, and Mahdi SHAHVERDI. 2011. “Inter-Tracheid and Cross-Field Pitting in Compression Wood and Opposite Wood of Norway Spruce (Picea Abies L.)”. Notulae Scientia Biologicae 3 (2):145-51. https://doi.org/10.15835/nsb326059.