00371nam a2200169Ia 4500008004100000082001000041082000800051245005200059250001200111260002500123260000900148300001000157365000600167365000600173365000600179650001600185181031s9999    xx            000 0 und d  a363.7  bESS  aEssential Learnings in Environmental Education.  a2nd ed.  bCentre for Env. Edu.  c1994  a150p.  b0  d0  e0  aEnvironment