摘要: … grass roots with a soft and early deciduous cortex this tissue is one layer thick, while in those with a harder persistent cortex … , and that the perforated cortex acts as a sponge out of which …
J. C. Schoute, Die Stelar-TheorieKoninklijke Nederlandse Akademie van Wetenschappen Proceedings Series B Physical Sciences. ,vol. 5, pp. 497- 501 ,(1903) , 10.5962/BHL.TITLE.120103