Fresh-water algae of the united states
Smith, Gilbert M.
Fresh-water algae of the united states Gilbert M. Smith - 2nd ed. - New York McGraw-Hill Book 1950 - viii, 719 p.; 24cm.
589.3 SM57F
Fresh-water algae of the united states Gilbert M. Smith - 2nd ed. - New York McGraw-Hill Book 1950 - viii, 719 p.; 24cm.
589.3 SM57F