000 002690000a22001210004500
245 _aIntroduction to science-information work
100 _aHanson, C.W.
260 _aLondon
_bAslib
_c1971
300 _a199 p.
080 _a025.5
_bH3
041 _aEN
942 _cBK
999 _c105593
_d105593