Santhanam, R.
A manual of freshwater ecology : an aspect of fishery environment / R. Santhanam, P Velayutham and G Jegatheesan. - Delhi : Daya, c1989. - 134 p. : ill. ; 23 cm.
Includes bibliography and index.
639.31 / SAM
A manual of freshwater ecology : an aspect of fishery environment / R. Santhanam, P Velayutham and G Jegatheesan. - Delhi : Daya, c1989. - 134 p. : ill. ; 23 cm.
Includes bibliography and index.
639.31 / SAM