CESR
Balachandran, W. and Page, HRS. (1978) 'A novel method of measuring flow rate and suspended solids concentration of sewage sludge.'. undefined.
Balachandran, W. and Page, HRS. (1978) 'A novel method of measuring flow rate and suspended solids concentration of sewage sludges.'. Prog Water Technol, 9 (5-6 , 1978). pp. 53 - 58.