000			00489nam a2200169Ia 4500
008			140208s9999 xx 000 0 und d
044			_aU.S.A.
080			_a630.83 L496F
100			_aLeclerg, Erwin L.
245			_aField plot technique _cErwin L. Leclerg, Warren H. Leonard and Andrew G. Clark
250			_a2nd ed.
260			_bBurgess Publishing _aMinnesota _c1939
300			_aiii, 373 p.; 29cm.
700			_aClark, Andrew G.
700			_aLeonard, Warren H.
942			_2udc _cGB
999			_c2067 _d2067