Smethurst, George .
Basic water treatment / Textual Documents George Smethurst. - 1 / . - Jodhpur : Scientific Publishers , 1986. - 216 ; .
81-85046-44-1
628.162 / SME/BA
Basic water treatment / Textual Documents George Smethurst. - 1 / . - Jodhpur : Scientific Publishers , 1986. - 216 ; .
81-85046-44-1
628.162 / SME/BA