子の奪い合い紛争事件における判断基準について (所功教授エリサベト・ライドル・マキャー教授高橋正俊教授定年御退職記念号) Differences in Child Custody Proceedings in Family and District Courts in Cases Involving Abduction (FESTSCHRIFT in Honour of PROFESSOR Isao TOKORO PROFESSOR Elisabeth RAIDL-MARCURE PROFESSOR Masatoshi TAKAHASHI on the Occasion of Their Retirement)