000 00268nam a22000977a 4500
082 _a363.7
_bTOL
100 _aTolba, Mostafa K.
245 _aSaving our planet :
_bchallenges and hopes /
_cby Mostafa K Tolba.
260 _aLondon :
_bChapman & hall,
_c1992.
942 _cREF
999 _c333553
_d333553