Here's what's on RG for your topic that you peruse to find your article:

https://www.researchgate.net/search.Search.html?type=publication&query=Ligne%2C%20M.%2C%201843%2C%20Memoire%20Rec.%20Med.%20Vet.%2020%2C%2030.%20%20&previous=researcher

Best regards,

Debra

Hi Debra,

Thank for your reply, I've searched this publication at RG but unfortunately this article is not available at RG. 

Do you know how to access to ancient papers dated from 1843?

Kind regards

isabel

Hi Isabel, unfortunately not.

BR Michael

Thank you Michael! 

Problem solved. I've managed the access to this article! :-)

Best regards

Isabel