000
00307nam a2200121Ia 4500
008
220216s9999 xx 000 0 und d
100
_a
Wong C B
245
0
_a
Soil classification - The new approach
260
_b
Planters Bulletin
_c
1978
300
_a
103-110
650
_a
Soil classification
942
_c
JS
999
_c
68826
_d
68826