000			00333nam a22001457a 4500
020			_a631108300
082			_a338.91 SEN
100			_aSen, A. K.
245			_aChoice of techniques
250			_a3rd
260			_aBritain _bOxford Basil Black Well _c1972
300			_axxix, 113p. _b21cm.
500			_aIncludes Index
942			_cBK
999			_c16626 _d16626