@article{oai:repository.dl.itc.u-tokyo.ac.jp:00028412, author = {久城, 育夫}, issue = {5}, journal = {東京大学理学部弘報}, month = {Nov}, note = {application/pdf}, pages = {4--5}, title = {火星の景色と表面の物質}, volume = {8}, year = {1976} }