31dacfec_tion_Model__v1_5__IN_PROGRESS___Description
[Option] mediumSetPresentNumber [Level] Connection [Default] 0 [Description] 
The number of records to be returned as part of a search when when the number of hits is less than or equal the to large-set lower bound and greater than the small-set upper bound.
ZOOM - ZOOM: The Z39.50 Object-Orientation Model, v1.5 (IN PROGRESS)
Description