Published in Scopus, in 1988, in volume 11, pages 57-78

Created: 2014-03-20, modified: 2014-03-20

Published in Scopus, in 1988, in volume 11, pages 96

Created: 2014-03-20, modified: 2014-03-20

Published in Scopus, in 1988, in volume 12, pages 1-52

Created: 2014-03-20, modified: 2014-03-20