
search( 'title', 	rec('A') );
search( 'issn',  	
	join_with(' ; ',
		rec('F'),
		rec('G')
	)
);
search( 'publisher', 	rec('D') );
search( 'url',    	rec('U') );
search( 'language',	rec('E') );
search( 'keyword',	rec('H') );

