Provider: Japan Science and Technology Agency Database: J-STAGE Content:text/plain; charset="utf-8" TY - JOUR TI - title_in_Japanese TI - AU - author_in_Japanese JO - GEOGRAPHICAL SCIENCES VL - 48 IS - 1 SP - 53 EP - 55 PY - 1993 DO - 10.20630/chirikagaku.48.1_53_2 ER -