000 00418nam a2200157Ia 4500
008 170101s1900 xx 000 0 und d
041 _aEnglish
082 _aTR 029.7 UN 2 W
100 _aUNESCO
245 0 _aWORLD GUIDE TO TECHNICAL INFORMATION AND DOCUMENTATION SERVICES
260 _aPERIS
_bUNESCO
_c1900
300 _a287
_ePrint
500 _aKRISHNA HISAR
653 _aLIBRARY SCIENCE
942 _2ddc
_cBK
999 _c749092
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