@article{oai:repo.qst.go.jp:00056778, author = {Ishigure, Nobuhito and et.al and 石榑 信人}, journal = {Radiological Protection ( Landolt-Bornstein : Numerical Data and Functional Relationships in Science and Technology : New Series ; Group 8 . Advanced Materials and Technologies ; Vol. 4)}, month = {Jan}, title = {Radiological protection}, year = {2005} }