Studies in water purification :
Venkatramanan, K.
Studies in water purification : part 1 treatment of backish water, part 2 removal of fluorides from water - - 210 p. ; 32 cm.
Chronic fluorine Husk carbon
628.16 VEN
Studies in water purification : part 1 treatment of backish water, part 2 removal of fluorides from water - - 210 p. ; 32 cm.
Chronic fluorine Husk carbon
628.16 VEN