000 00311nam a2200121Ia 4500
008 170101s1974 xx 000 0 und d
082 _a628.5 SWA
100 _aSwan James A.
245 0 _aEnvironmental Education
260 _aNew York
_bS.A.G.E.John Wiley & Sons.
_c1974
300 _a349 p.
942 _2ddc
_cB
999 _c631466
_d631466