. . "Gustaf" . "Per Gustaf Stensland" . "Per Gustaf" . . . "Per G. STENSLAND" . "Per Stensland" . . . "1998" . "Per G. Stensland"@nl-NL . "STENSLAND" . "G." . . "Per" . . "1913" . "Per Gustaf Stensland" . "Stensland" .