ROCK VARNISH

[1] Abu Al-Izz M. S, 1971, LANDFORMS EGYPT

[2] DESERT VARNISH OF SONORAN DESERT - OPTICAL AND ELECTRON-PROBE MICROANALYSIS [J]. JOURNAL OF GEOLOGY, 1978, 86 (06) : 743 - 752

[3] AMSDEN CA, 1937, SW MUSEUM PAPERS, V11, P88

[4] [Anonymous], 1974, ORIGIN LANDSCAPES SY

[5] [Anonymous], 1971, NEGEV CHALLENGE DESE

[6] [Anonymous], 1905, BLACKENED ROCKS NILE

[7] ASMAN W, 1980, ECOLOGICAL IMPACT AC, P140

[8] PERSPECTIVES ON DATING OF PREHISTORIC GREAT BASIN PETROGLYPHS BY NEUTRON-ACTIVATION ANALYSIS [J]. ARCHAEOMETRY, 1978, 20 (FEB) : 85 - 88

[9] BARD JC, 1976, LBL4475 REP

[10] BARD JC, 1979, THESIS U CALIFORNIA

[1] Abu Al-Izz M. S, 1971, LANDFORMS EGYPT

[2] DESERT VARNISH OF SONORAN DESERT - OPTICAL AND ELECTRON-PROBE MICROANALYSIS [J]. JOURNAL OF GEOLOGY, 1978, 86 (06) : 743 - 752

[3] AMSDEN CA, 1937, SW MUSEUM PAPERS, V11, P88

[4] [Anonymous], 1974, ORIGIN LANDSCAPES SY

[5] [Anonymous], 1971, NEGEV CHALLENGE DESE

[6] [Anonymous], 1905, BLACKENED ROCKS NILE

[7] ASMAN W, 1980, ECOLOGICAL IMPACT AC, P140

[8] PERSPECTIVES ON DATING OF PREHISTORIC GREAT BASIN PETROGLYPHS BY NEUTRON-ACTIVATION ANALYSIS [J]. ARCHAEOMETRY, 1978, 20 (FEB) : 85 - 88

[9] BARD JC, 1976, LBL4475 REP

[10] BARD JC, 1979, THESIS U CALIFORNIA