Sentence 1: African stone tool technologies are divided into modes such as those proposed in 1969 by Grahame Clark and described by Lawrence Barham and Peter Mitchell as follows :
Sentence 2: African stone tool technologies are divided into the modes outlined by Lawrence Barham and Peter Mitchell in 1969 , and proposed by Grahame Clark as follows :
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?