A RIS file with publications descriptions is a text file. Its structure is described in Direct Export RIS. The fields for different types of publications are specified in EN RIS documentation.
Example:
TY - BOOK AU - Doreian, Patrick AU - Batagelj, Vladimir AU - Ferligoj, Anuška A2 - Granovetter, Mark TI - Generalized Blockmodeling T2 - Structural Analysis in the Social Sciences M1 - 25 ET - first edition CY - Cambridge PB - Cambridge University Press PY - 2004/11// SP - 402 LA - english UR - http://www.amazon.com/Generalized-Blockmodeling-Structural-Analysis-Sciences/dp/0521840856 UR - http://www.cambridge.org/us/academic/subjects/sociology/sociology-general-interest/generalized-blockmodeling UR - http://ebooks.cambridge.org/ebook.jsf?bid=CBO9780511584176 SN - 978-0521840859 DO - 10.1017/CBO9780511584176 ER -