共 17 条
[1]
BJELM L, 1983, B INT ASS ENG GEOLOG, V26, P175
[2]
CANN DB, 1954, 5 NOV SCOT AGR COLL
[4]
EBERLE AC, 1977, DEV FIELD TESTING NE, P47
[5]
HOUCK RT, 1982, TECHNICAL REPORT XAD, P1
[6]
JOHNSON RW, 1979, P SOIL CROP SCI SOC, V39, P68
[7]
MOREY RM, 1972, EPAR272082 REPT
[8]
OLSEN CG, 1985, SOIL SCI SOC AM J, V49, P1490
[9]
Rees H.W., 1984, SOILS AGR CANADA RES
[10]
SELLMANN PV, 1983, 8311 COLD REG RES EN, P1