Retraction notices

Studying Context-Free Grammar Using Collaborative Symmetries

Type
Retraction
Notice date
1/1/2021 0:00
Journal
Applied Mechanics and Materials
Publisher
Trans Tech Publications Ltd
Notice DOI
10.4028/www.scientific.net/amm.543-547.2907
Original paper DOI
10.4028/www.scientific.net/amm.543-547.2907

Reasons

Matching venue names

Name match only, not an authoritative journal identifier.