Purchase Order Service http://webservice.bea.com/PO/soap11service http://www.soaphub.org/wstf/services/sc009 http://www.soaphub.org/wstf/sc009.jsp http://www.soaphub.org/wstf http://wstf.activevos.com/active-bpel/services/sc009Service http://wstf.activevos.com/wstf_client/wstf_sc009_client.jsp http://wstf.activevos.com/wstf_client/wstf_sc009_notes.jsp