Fetch Xml to retrieve N:N Associated records

Below is an example fetch Xml for retrieving the N:N associated records.
Where: 
-N:N exists between entities:  abc_customer  and abc_contract.
-The intersect Entity Name: abc_abc_customer_abc_contract.
-Primary Keys of the abc_customer and the abc_contract are respectively:  abc_customerid and abc_contractid.
-Records to be retrieved from Entity: abc_customer,
fields to retrieve :
abc_fullname, abc_title, abc_telephone1,abc_customerid


"<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='true'>"+
  "<entity name='abc_customer'>"+
    "<attribute name='abc_fullname' />"+   
    "<attribute name='abc_title' />"+
    "<attribute name='abc_telephone1' />"+
    "<attribute name='abc_customerid' />"+
    "<order attribute='abc_fullname' descending='false' />"+
    "<link-entity name='abc_abc_customer_abc_contract' from='abc_customerid' to='abc_customerid' visible='false' intersect='true'>"+
      "<link-entity name='abc_contract' from='abc_contractid' to='abc_contractid' alias='aa'>"+
        "<filter type='and'>"+
          "<condition attribute='abc_contractname' operator='eq' value='PensionPlanInsuranceContract' />"+
        "</filter>"+
      "</link-entity>"+
    "</link-entity>"+
  "</entity>"+
"</fetch>"

Similar fetch can be used for retrieving N:N related records with higher depths.