000 00454nam a2200121Ia 4500
008 170101s1975 xx 000 0 und d
082 _a020.715 UNI
100 _aUnited Nations Educational, Scientific and Cultural Org...
245 0 _aGuidelines for the Evaluation of Training Courses, Workshops and Seminars in Scientific and Technical Information and Documentation
260 _aUnited Nations
_bUNESCO
_c1975
300 _a63+43 p.
942 _2ddc
_cB
999 _c860366
_d860366