000 00316nam a2200121Ia 4500
008 170101s1966 xx 000 0 und d
082 _a509 CRO
100 _aCrowther J.G.
245 0 _aDiscoveries and Inventions of 20th Century
260 _bRoutledge & Kegan Paul.
_c1966
300 _a434 p.;
942 _2ddc
_cB
999 _c431266
_d431266