http://www.planetmvs.com/index.html
http://publib.boulder.ibm.com/infocenter/db2luw/v8/index.jsp?topic=/com.ibm.db2.udb.doc/admin/r0000888.htm
http://publib.boulder.ibm.com/infocenter/txformp/v5r1/index.jsp?topic=%2Fcom.ibm.txseries510.doc%2Ferzhad00109.htm
http://publib.boulder.ibm.com/infocenter/zos/basics/index.jsp?topic=/com.ibm.zos.zappldev/zappldev_23.htm
http://publib.boulder.ibm.com/infocenter/zos/v1r11/index.jsp?topic=/com.ibm.zos.r11.idai200/defclu.htm
http://www-03.ibm.com/systems/z/os/zos/bkserv/r13pdf/
http://www.oberoi-net.com/mainfrme.html
http://www.grandsysteme.com/EASYTRIEVE.htm