000			00300nam a2200145Ia 4500
001			9938
008			141107s9999 xx 000 0 und d
050			_aQ 181.S
100			_aBtec
245			_aScience:Guidelines And Units
250			_a0
260			_aLondon
260			_bBtec
260			_c1982
999			_c42641 _d42641