000 00279nam a2200097Ia 4500
008 220107s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
245 0 _aEncyclopedia of modern knowledge
260 _bMitchell Beazley pub.
_aLondon
_c1975
942 _c1
999 _c165876
_d165876