000 00294nam a2200097Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
245 0 _aHarwell: British atomic energy research estblishment
260 _bH. M. Statn Office
_aLondon
_c1952
942 _c1
999 _c29751
_d29751