Verma,K.S creator text New Delhi Cengage 2012 monographic Physical chemistry 541.3 VER 8131516857 (paperback) 9788131516850 (paperback) http://www.amazon.com/exec/obidos/ASIN/8131516857/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/8131516857/chopaconline-20