Provider: Japan Science and Technology Agency Database: J-STAGE Content:text/plain; charset="utf-8" TY - JOUR TI - トリニダッドの石 TI - JO - 地學雜誌 VL - 54 IS - 1 SP - 39 EP - 39 PY - 1942 DO - 10.5026/jgeography.54.39 ER -