00286nam a2200109Ia 450000500170000000800410001708200170005810000160007524500450009126000320013630000080016820260205040159.0260111s9999||||xx |||||||||||||| ||und||  a370.7  Ad18M  aAdams, John 0aModern development in education practice  aLondonbUNIV.OF LOND.c1952  a324