2Callon M P,Courtiai J,Laville F.Co-word analysis asa tool for describing the network of interactions between basicand technological research:The case of polymer chemsitry [J].Scientometrics, 1991,22(1) : 155-205.
3Callon M P,Courtiai J,Laville F.Co-word analysis asa tool for describing the network of interactions between basicand technological research:The case of polymer chemsitry [J].Scientometrics, 1991,22(1): 155-205.