Environmental engineering 2 : wastewater engineering /
Punmia, B. C.
Environmental engineering 2 : wastewater engineering / B. C. Punmia, Arun K. Jain and Ashok K. Jain - New Delhi Laxmi 1988 - xv, 655p. :ill. ; Pbk.
8170060916
TD345.P8 1988
Environmental engineering 2 : wastewater engineering / B. C. Punmia, Arun K. Jain and Ashok K. Jain - New Delhi Laxmi 1988 - xv, 655p. :ill. ; Pbk.
8170060916
TD345.P8 1988