000 00260nam a2200109Ia 4500
008 220624s9999 xx 000 0 und d
020 _a0716663937
082 _aJR 503 WORL
100 _aWorld
245 0 _aYoung scientist : student guide index
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c682802
_d682801