Abstract: An information recording medium of this invention has a first area which records common information which can be commonly played back by a plurality of types of information playback apparatuses provided by different manufacturers or distributors and complies with common standards, a second area which records specific information which can be played back by only an information playback apparatus of a specific type provided by a specific manufacturer or distributor, and a third area which records link information indicating the links between the common information and specific information.

Abstract: An epoxy resin composition which is tough and has excellent heat resistance and adhesion is obtained by dispersing, in an epoxy resin, polymer particles with a glass transition temperature of lower than 20.degree. C. obtained by emulsion polymerization of a (meth)acrylic acid ester monomer by using, as an emulsifier, an end alkyl group-containing polymer with an acid value of greater than 200 or a salt thereof obtained by polymerization of a polymerizable monomer containing an unsaturated carboxylic acid in the presence of an alkyl mercaptan. The epoxy resin composition is useful, for example, as adhesives, molding materials, paints, sealants.

Abstract: A unique method of network analysis using a personal computer in link with a computer aided drafting and design system (CADD) is described wherein the CADD serves as the platform for the computer implemented process of the present invention. This process involves first creating a graphic network, using a video terminal, inputting on the screen the various nodes and network connecting links. User identification numbers and entity handle numbers are assigned to each feature, the process of creating the graphic image and assigning identification features carried out node to link the node until the entire network has been drawn into the database. Thereafter, by selection of the proper prompt, the database can be queried for any node to highlight either nodes and links that flow to that node, or flow away therefrom.