000			00318nam a2200133Ia 4500
082			_a624.152 _bDES
100			_aDesai, M. D.
245			_aSub-surface exploration by dynamic penetrometers.
260			_aSurat _bDesai, M. D. _c1970
300			_ax,171p.,i
500			_aENG
890			_aIndia
999			_c33112 _d33112