000 00300nam a2200133Ia 4500
100 _aIyer, Vijayalakshmi
020 _a81-89012-37-1
942 _cBK
245 _aQuiz on environment
260 _aGnosis Publication
_bDelhi
_c2007
082 _a910
_bIye
300 _aviii,176
546 _aEnglish
999 _c331782
_d331782
041 _aeng