000 00404 a2200121 4500
082 _a363.7
_bAFE
100 _aAfshar, H. K.
_916723
245 _aThe earth's impending physical environment
_b: round the year 2000 and the problems of the developing countries
_cH. K. Afshar
260 _c1973
_aTehran
_bTehran University
300 _a484p
_bvol-II
650 _aEnvironemntal protection
_916724
942 _cBK
999 _c56785
_d56785