Published in Scopus, in 1994, in volume 18, issue 1, pages 1-5

Published in Scopus, in 1994, in volume 18, issue 1, pages 6-11

Published in Scopus, in 1994, in volume 18, issue 1, pages 12-19

Published in Scopus, in 1994, in volume 18, issue 1, pages 20-33

Published in Scopus, in 1994, in volume 18, issue 1, pages 34-39

Published in Scopus, in 1994, in volume 18, issue 1, pages 40-47

Published in Scopus, in 1994, in volume 18, issue 1, pages 48

Published in Scopus, in 1994, in volume 18, issue 1, pages 49-50

Published in Scopus, in 1994, in volume 18, issue 1, pages 50-51

Published in Scopus, in 1994, in volume 18, issue 1, pages 51-52

Published in Scopus, in 1994, in volume 18, issue 1, pages 52-54

Published in Scopus, in 1994, in volume 18, issue 1, pages 54-56

Published in Scopus, in 1994, in volume 18, issue 1, pages 56-57

Published in Scopus, in 1994, in volume 18, issue 1, pages 57-58

Published in Scopus, in 1994, in volume 18, issue 1, pages 58-59

Published in Scopus, in 1994, in volume 18, issue 1, pages 59-60

Published in Scopus, in 1994, in volume 18, issue 1, pages 60-61

Published in Scopus, in 1994, in volume 18, issue 1, pages 61

Published in Scopus, in 1994, in volume 18, issue 1, pages 62-64

Published in Scopus, in 1994, in volume 18, issue 2, pages 65-115

Published in Scopus, in 1994, in volume 18, issue 2, pages 116

Published in Scopus, in 1994, in volume 18, issue 2, pages 117-122

Published in Scopus, in 1994, in volume 18, issue 2, pages 122-123

Published in Scopus, in 1994, in volume 18, issue 2, pages 123-124

Published in Scopus, in 1994, in volume 18, issue 2, pages 124-126

Published in Scopus, in 1994, in volume 18, issue 2, pages 126-128

Published in Scopus, in 1994, in volume 18, issue 2, pages 128-130

Published in Scopus, in 1994, in volume 18, issue 2, pages 130-132