@article{paperid:1005086,
author = {Entezari, Mohammad Hassan and  -,  -},
title = {Water softening by combination of ultrasound and ion exchange},
journal = {Ultrasonics Sonochemistry},
year = {2009},
volume = {16},
number = {3},
month = {February},
issn = {1350-4177},
pages = {356--360},
			numpages = {4},
keywords = {Water softening by combination of ultrasound and ion exchange},
}