000			00345nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a0-13-731738-7
082			_a1
082			_b6404 C
100			_a"Coffron, James W"
245		0	_aProven Techniques for Tr
260			_aNew Jersey
260			_bP.H.I
260			_c1981
300			_a246
999			_c24799 _d24799