000 00302nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:339.13
_bSOO
245 0 _aImproving the structure of world trade in Natural Rubber
260 _aMalaysia
_bMRRDB
_c1979
650 _aRubber marketing
942 _cBK
999 _c38981
_d38981