Computer and Scientific

Owner

ELSEVIER SCIENCE B.V.

Jul 21, 1998

Education and Entertainment

Owner

ELSEVIER SCIENCE B.V.

Telecommunications and 3 others

Owner

ELSEVIER SCIENCE B.V.

Telecommunications and 3 others

Owner

ELSEVIER SCIENCE B.V.

Advertising and Business and 3 others

Owner

ELSEVIER SCIENCE B.V.

Paper Goods and Printed Matter

Owner

ELSEVIER SCIENCE B.V.