Observations on the penetration of daylight into Mid-Atlantic and coastal waters

[21] SAWYER WR, 1933, IN PRESS CONTR CAN B

[22] SHELFORD V. E., 1929, PUBL PUGET SOUND BIOL STA, V7, P151

[23] Shelford V. E., 1922, PUBL PUGET SOUND BIO, V3, P141

[24] Use of photoelectric cells for light measurement in ecological work [J]. ECOLOGY, 1929, 10 : 298 - 311

[25] Further notes on the acquisition and use of photo-electric cells [J]. ECOLOGY, 1930, 11 : 348 - 355

[26] SHELFORD VE, 1929, CONTR ZOOL LAB U ILL

[27] VONKLEIN K, 1914, ANN I OCEANOGR MONAC, V6

[28] VONKLEIN K, 1913, ANN I OCEANOGR MONAC

[29] 1931, J MAR BIOL ASS, V17, P391

[21] SAWYER WR, 1933, IN PRESS CONTR CAN B

[22] SHELFORD V. E., 1929, PUBL PUGET SOUND BIOL STA, V7, P151

[23] Shelford V. E., 1922, PUBL PUGET SOUND BIO, V3, P141

[24] Use of photoelectric cells for light measurement in ecological work [J]. ECOLOGY, 1929, 10 : 298 - 311

[25] Further notes on the acquisition and use of photo-electric cells [J]. ECOLOGY, 1930, 11 : 348 - 355

[26] SHELFORD VE, 1929, CONTR ZOOL LAB U ILL

[27] VONKLEIN K, 1914, ANN I OCEANOGR MONAC, V6

[28] VONKLEIN K, 1913, ANN I OCEANOGR MONAC

[29] 1931, J MAR BIOL ASS, V17, P391