000
00302nam a2200109Ia 4500
008
140205s9999 xx 000 0 und d
100
_a
ISI
245
_a
Indian standard method of test for soil Part 4 2720-1975
260
_b
Indian Standards Institution
_a
New Delhi
_c
1975
300
_a
33
942
_2
ddc
_c
BK
999
_c
708
_d
708