@article{oai:jaxa.repo.nii.ac.jp:00031197,
 author = {Nagatomo, Makoto},
 journal = {The Institute of Space and Astronautical Science report. S.P. : Proceedings of the Workshop on Space Debris May 11, 1989 at ISAS Conference Hall},
 month = {Mar},
 note = {資料番号: SA0033438000},
 title = {PREFACE},
 volume = {11},
 year = {1990}
}