TY - BOOK AU - Olson, Kent C. AU - Kirschenfeld, Aaron S. AU - Mattson, Ingrid TI - Principles of legal research ET - 3rd ed PB - West Academic PY - 2020 T2 - Concise hornbook series EP - xviii, 562 p. UR - https://ci.nii.ac.jp/ncid/BC08764776 SN - 9781640208056 ER -