000 00298nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a678 A4284
100 _aALLEN,P.W
245 0 _aNATURAL RUBBER AND SYNTHETICS
260 _aLONDON
_bCrosby Lockwood
_c1972
300 _a22X14
942 _cBK
_2DDC
999 _c16468
_d16468