共 19 条
- [1] BAILEY WA, 1969, 235 SOIL MECH PUBL
- [2] BEER CE, 1965, 970 US DEP AGR MISC, P37
- [3] Campbell FB, 1940, T AM GEOPHYSICAL U 2, P603
- [4] DVORAK VI, 1967, 41130 US DEP AGR AGR
- [5] GLYMPH LM, 1951, 102 SOIL CONS SERV T
- [6] COLLAPSIBLE LOESS IN IOWA [J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 1973, 37 (02) : 281 - 284
- [7] HEEDE BH, 1971, RM68 US DEP AGR FOR
- [8] IRELAND HA, 1939, 633 US DEP AGR TECHN
- [9] PALMER RS, 1965, 2 US DEP AGR AGR RES
- [10] PIEST R F, 1968, Transactions of the ASAE (American Society of Agricultural Engineers), V11, P850