Barker, 1973, J. theor. Biol, 40, 33, 10.1016/0022-5193(73)90163-X
Holland, 1969, New Phytol, 68, 411, 10.1111/j.1469-8137.1969.tb06453.x
Horsfield, 1968, J. appl. Physiol, 24, 383
Horton, 1945, Geol. Soc. Am, 56, 275, 10.1130/0016-7606(1945)56[275:EDOSAT]2.0.CO;2
Leopold, 1971, J. theor. Biol, 31, 339, 10.1016/0022-5193(71)90192-5
McMahon, 1975, Scient. Am, 233, 92, 10.1038/scientificamerican0775-92
McMahon, 1973, Science, 179, 1201, 10.1126/science.179.4079.1201
Oohata, 1971, Jap. J. Ecol, 21, 7
Parker, 1971, J. appl. Physiol, 31, 386, 10.1152/jappl.1971.31.3.386
Strahler, 1953, Geol. Soc. Am, 63, 1117, 10.1130/0016-7606(1952)63[1117:HAAOET]2.0.CO;2
Woldenberg, 1968, Federal Clearinghouse No. AD 673441
Woldenberg, 1972, Federal Clearinghouse No. AD 709602, Harvard Papers in Theoretical Geography. No. 41