To get Object references use the GetReferences or GetReferenceTo methods from the KBObject reference, for example:
using Artech.Architecture.Common; // for KBObject, etc.
using Artech.Udm.Framework.References; // for EntityReference, etc.
KBObject OBJ = …;
foreach (EntityReference REF in OBJ.GetReferences()){
/* use: REF.From; REF.To; REF.ReferenceType; REF.LinkType; etc.*/
}
foreach (EntityReference REF in OBJ.GetReferencesTo()){
/* use: REF.From; REF.To; REF.ReferenceType; REF.LinkType; etc.*/
}