By Raykov T.   in Quality and Quantity

ISSN:0033-5177|33|4|429-435

Springer Publishing Company ‎(1999)‎

Access to resources Favorite 15.46466

By Raykov T.   in Quality and Quantity

ISSN:0033-5177|35|3|253-263

Springer Publishing Company ‎(2001)‎

Access to resources Favorite 15.46466

By Raykov T.   Penev S.   in Quality and Quantity

ISSN:0033-5177|31|1|57-78

Springer Publishing Company ‎(1997)‎

Access to resources Favorite 12.021149

By Raykov T.   Penev S.   in Quality and Quantity

ISSN:0033-5177|32|3|247-262

Springer Publishing Company ‎(1998)‎

Access to resources Favorite 12.021149