000 002630000a22001210004500
245 _aNatural rubber and the synthesis
100 _aAllen, P.W.
260 _aLondon
_bLockwood
_c1972
300 _a255 p.
080 _a678.4
_bA4
041 _aEN
942 _cBK
999 _c104982
_d104982