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008 170519s9999 xx 000 0 und d
041 _aEnglish
082 _a577/RAM/ECO
100 _aP.S RAMAKRISHNAN
245 _aECOLOGYAND SUTAINABLE DEVELOPMENT
260 _bNATIONAL BOOK TRUST, INDIA
_aINDIA
_c1923
300 _c198P
650 _aECOLOGY
650 _aLIFE SCIENCE
942 _cBK
999 _c80336
_d80336