@inproceedings{oai:jaxa.repo.nii.ac.jp:00013848, author = {長友, 信人 and Nagatomo, Makoto}, book = {宇宙利用シンポジウム 第20回 平成15年度, Space Utilization Research: Proceedings of the Twentieth Space Utilization Symposium}, month = {Mar}, note = {If a forest can be grown in a pressurized balloon on the moon and Mars, it will make an efficient closed ecological system for human beings and produces wood that is an excellent material for their residence and various use though not used for the present space systems. The growth capability of trees under reduced atmospheric pressure and unknown water resource on the moon and Mars are the most fundamental issue to realize such a system., 資料番号: AA0046917043}, pages = {136--139}, publisher = {宇宙航空研究開発機構宇宙科学研究本部, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)}, title = {地球外森林は可能ですか}, year = {2004} }