@base . . a ; "0097-9082" ; . a . a ; "0097-9082" ; . a ; ; "20070319161000.0"^^ ; ; . "Maryland" . a , ; "Population reports. Series E, Law and policy (English ed.)" . a , , ; , , ; "Population reports." ; ; ; "0097-9082" ; ; "0097-9082" ; ; "0097-9082" ; "Population reports." , "Population reports. Series E, Law and policy (English ed.)" ; . a ; .