IBM DB2 UDB for OS/390 Installation Guide GC26-9936
IBM DB2 UDB for OS/390 Administration Guide SC26-9931
IBM DB2 UDB for OS/390 SQL Guide and Reference SC26-9944
Open Group Technical Standard in DRDA Volume 1: Distributed Relational Database Architecture (DRDA) Document number C911
DRDA information: www.opengroup.com
SNA LU 6.2 Peer Protocols Reference SC31-6808