For HR specialists reading your CV there will be important not just employment history, but also another perspectives of your CV.
- a project history you have done or participated, then they need to know short one simple sentence of project description and your role on the project.
- publications you have made or co-author.
If this is significant enough, put this to the Overview, what should be on the front page of your CV. Overview generally should contain teasers for the rest of CV. How many projects, how many publications, etc.
Take an example of different perspectives for example from Linked-in portal, which are: Overview, Employment history, Project history, Personal initiatives, language skills, Certifications, Courses, Skills, Education, Recommendations, Publications, Organization membership, Prizes, Academical Results, Patents, etc. Order is up to your priorities.
Example: So, I can imagine you could have Overview, Education, Project history, Academical results and Publications in top order.