See PERSON@1 , PERSON@2 , A History of Modern Tibet , NUMBER@1 for details , a similar treaty , the tripartite Treaty of LOCATION@1 , was signed by LOCATION@2 , the LOCATION@3 and LOCATION@4 on NUMBER@2 May , NUMBER@3 .

See PERSON@1 , PERSON@2 , A History of Modern Tibet , NUMBER@1 for details Instead , a very similar treaty was signed by LOCATION@2 , LOCATION@5 , and LOCATION@4 on NUMBER@2 May , NUMBER@3 .
