00345nam a2200097Ia 4500008004100000082001200041245016100053260001600214300001000230650000700240060110s9999    xx            000 0 und d  a25bPRO  aProgress in documentation : some themes and topics, a selection from the progress in documentation articles published in journal of documentation, 1969_1979  bASLIBc1981  a245p.  a25