LJS Query: SELECT * FROM `authors` WHERE `family1`='PICA' AND `given1`='Elena M.'
Result: 1 (author=3)
LJS Query: SELECT * FROM `a_v_a` WHERE `author`='3' AND `journal`='ljs'
Result: 1 paper.
LJS Query: SELECT * FROM `ljs` WHERE 0 OR `article`='1'
Result: 1 paper.