000			00381nam a2200145Ia 4500
008			221125s1971 xx 000 0 eng d
020			_a0851571093
082			_a029.54077 _bWIL 691-I
100			_aWilson, T. D.
245		0	_aIntrodution to chain indexing
260			_aLondon _bClive Bingley _c1971
300			_a85p
650			_aChain Indexing-Library Science
942			_2ddc _cBK
999			_c5294 _d5294