000 00274nam a2200109Ia 4500
008 190716s9999 xx 000 0 und d
245 0 _aLIbrary & Information Science Abstracts 1969
260 _bNISC Discover
300 _eCD
650 _aLibrary Science
942 _cMM
_2DDC
999 _c23568
_d23568