000 00613nam a2200253Ia 4500
008 141004s9999 xx 000 0 und d
040 _ca
041 _aEnglish
082 _a126
082 _bATT/EN
100 _a Attar Chand
245 _aEnvironmental challenges : A global survey
245 _c Attar Chand
260 _aDelhi
260 _bUDH Publishers
260 _c1985
300 _axi +335 p.
300 _b25 cm
501 _aCOF
650 _acoservation
650 _aEcology
650 _aPollution
942 _cBK
999 _c170315
_d170315