000 00451nam a2200157Ia 4500
008 990618s1971||||xx |||||||||||||| ||eng||
041 _aeng
082 _a304.2
_bGRO
100 _aGrosvenor, Melville Bell
_eAU
_912292
245 0 _aAs We Live and Breathe the Challange of Our Environmental
260 _aNew York :
_bNational Geographical Society,
_cc1971
300 _a239 p.
_b: ill
504 _aNN
650 _aHuman Ecology
942 _cBOO
_o51
_pAbul Kalam Library
999 _c388221
_d388221