000			00354nam a2200145Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e69271 _aMAIN
041			_aEnglish
082			_a301.36 C498C
100			_aCourse Team
245		4	_aThe city as a social system
260			_aBletchley _bOpen University _c1973
300			_a164 p.
942			_cBK
999			_c208180 _d208180