Punmia, B.C. Water supply engineering by B.C. Punmia, Ashok Kumar Jain, Arun Kumar Jain - 2nd ed. - New Delhi: Laxmi Publications (P) Ltd. 1995 - xv, 584p. - Environmental engineering no. 1 . ISBN: 9788131807033 Dewey Class. No.: D1 / N5