000			003460000a22001570004500
245			_aThe world of learning 1989
250			_a39th ed.
260			_aLondon _bEuropa Publications _c1989
300			_a1988 p.
020			_a0-946653-46-1
080			_a06(058) _bW6
650			_aEARTH
650			_aYEARBOOKS
041			_aEN
942			_cBK
999			_c58609 _d58609