000 00305nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a594.3
100 _aRATNAPALA Ranjini
245 0 _aMan and the Ecosphere
260 _aNew York
_bMc graw hill
_c1971
300 _a10p
942 _cPR
999 _c38454
_d38454