Absorbing layer of the ionosphere at low height

[1] APPLETON, 1932, P ROY SOC A, V137, P39

[2] APPLETON, 1930, P ROY SOC A, V128, P155

[3] BONTCH MA, 1934, P I R E, V22, P1135

[4] CHAPMAN, 1931, P ROY SOC A, V132, P356

[5] CHAPMEN, 1926, Q J ROY MET SOC, V52, P231

[6] DOBSON GMB, 1927, P ROY SOC LOND A MAT, V114, P540

[7] DOBSON GMB, 1927, P ROY SOC LOND A MAT, V114, P537

[8] MARTYN DF, 1935, P PHYS SOC LOND, V47, P335

[9] MARTYN DF, 1935, P PHYS SOC LOND, V47, P338

[10] SILLITOE S, 1934, CAN J RES, V11, P163

[1] APPLETON, 1932, P ROY SOC A, V137, P39

[2] APPLETON, 1930, P ROY SOC A, V128, P155

[3] BONTCH MA, 1934, P I R E, V22, P1135

[4] CHAPMAN, 1931, P ROY SOC A, V132, P356

[5] CHAPMEN, 1926, Q J ROY MET SOC, V52, P231

[6] DOBSON GMB, 1927, P ROY SOC LOND A MAT, V114, P540

[7] DOBSON GMB, 1927, P ROY SOC LOND A MAT, V114, P537

[8] MARTYN DF, 1935, P PHYS SOC LOND, V47, P335

[9] MARTYN DF, 1935, P PHYS SOC LOND, V47, P338

[10] SILLITOE S, 1934, CAN J RES, V11, P163