000 00431cam a22001457a 4500
008 180718b1987 xxu||||| |||| 00| 0 eng d
082 _aO91 El39s
100 _aEl-Hinnawi, Essam
245 _aState of the environment
_cby Essam El-Hinawi and Manzur H. Hashmi
260 _aLondon
_bButterworths
_c1987
300 _a182p.
500 _aUnited Nations Environment Programme
650 _aEnvironment
700 _aHashmi, Manzur H.
999 _c343728
_d343728