000 00280nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _aR909 5
100 _aNULL
245 0 _aVL.XI Material progress and worldwide problems 1870
260 _aCambridge
_b CUP
_c1967
942 _cBKS
999 _c304358
_d304358