How do I become a member of the RISA list ? Please give URLs, Cordially, Bharat Gupt Associate Professor, Delhi Univ. PO BOX 8518 , ASHOK VIHAR , DELHI 110052 , INDIA tel:00-91-11-724-1490 , fax 741-5658 bharatgupt at vsnl.com webpage: http://personal.vsnl.com/bharatgupt/