00325nam a2200133Ia 450000500170000000800410001705000270005824500430008526000220012830000200015044000060017052100070017652600080018320140402105459.0140130s9999    xx            000 0 und d  aE 302.6.F8 b.F88 1988  cJean FritsaWhat's The Big idea, Ben..  bScholastic,c1976  a47 p. :c19 cm.  v1  aG6  c830