000
003110000a22001330004500
245
_a
Soil and water conservation
100
_a
Troeh, F.R.
100
_a
Hobbs, J.A.
100
_a
Donahue, R.L.
260
_a
New Jersey
_b
Prentice Hall
_c
1980
080
_a
626.8:631.4
_b
T7
041
_a
EN
942
_c
BK
999
_c
120359
_d
120359