000 00305nam a2200097Ia 4500
008 220216s9999 xx 000 0 und d
100 _aNair V K B
245 0 _aFuture trends in and competition between natural and synthetic rubber
260 _bUNIDO group meeting, Vienna, Austria, 1972
_c1972
942 _cJS
999 _c59718
_d59718