000 00271nam a2200097Ia 4500
082 _aRJ 5R YOUN
245 0 _aYoung scientist. Volume 1 : the planet Earth
100 _a World Book, Inc ** Bath, 1997 ** *
942 _cBK
008 210825s9999 xx 000 0 und d
999 _c492983
_d492982