00293nam a2200121Ia 450000100060000000800410000604000130004710000200006024500480008026000090012850000270013754600070016415949140403s9999    xx            000 0 und d  cPK-LaUMT  aK. A. Leithwood  aPlanned educational changecK. A. Leithwood  c1986  aEntered from book card  aEN