00311nam a2200109Ia 4500008004100000100001700041245004200058260005800100300001000158650001400168650001900182220216s9999    xx            000 0 und d  aJayasinghe P 0aFuture of natural rubber in adhesives  bRubber Research Institute of Sri Lanka Bulletinc1973  a42-43  aAdhesives  aNatural rubber