Germination of the red spruce

[51] TILLOTSON CR, 1915, FARMERS B USDA, V1453

[52] TOUMEY JW, 1928, B YALE U, V21

[53] TOUMEY JW, 1931, SEEDING PLANTING PRA

[54] TOUMEY JW, 1931, B YALE U, V30

[55] TOUMEY JW, 1916, SEEDING PLANTING PRA

[56] TOUMEY JW, 1924, B YALE U, V11

[57] TOUMEY JW, 1923, J FOREST, V21, P269

[58] Wahlenberg WG, 1924, J AGRIC RES, V28, P1127

[59] WAHLENBERG WG, 1924, J FOREST, V22, P574

[60] WESTVELD M, 1930, US FORESTRY CHRON, V6, P22

[51] TILLOTSON CR, 1915, FARMERS B USDA, V1453

[52] TOUMEY JW, 1928, B YALE U, V21

[53] TOUMEY JW, 1931, SEEDING PLANTING PRA

[54] TOUMEY JW, 1931, B YALE U, V30

[55] TOUMEY JW, 1916, SEEDING PLANTING PRA

[56] TOUMEY JW, 1924, B YALE U, V11

[57] TOUMEY JW, 1923, J FOREST, V21, P269

[58] Wahlenberg WG, 1924, J AGRIC RES, V28, P1127

[59] WAHLENBERG WG, 1924, J FOREST, V22, P574

[60] WESTVELD M, 1930, US FORESTRY CHRON, V6, P22