TY - BOOK AU - National Research Council (U.S.). Polar Research Board TI - Future directions for the National Science Foundation's Arctic Natural Sciences Program PB - National Academy Press PY - 1998 T2 - The Compass series EP - xii, 68 p. UR - https://ci.nii.ac.jp/ncid/BA57746266 SN - 0309061938 ER -