000 00346nam a2200145Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
020 _a8120002350
040 _cLDD
100 _aSharma, R.C
245 0 _aEnvironmental education
_cR.C Sharma
260 _aNew Delhi
_bMetropolitan
_c1986
300 _avii, 191
942 _2ddc
_cBK
999 _c16888
_d16888