000			00352nam a2200133Ia 4500
008			130903s9999 xx 000 0 und d
082			_aPH 778 L6
245			_aField photography; field-use data.
260			_aSan Francisco _bW.H.Freeman _cc1976
300			_a41p.
600			_aBlaker, Alfred A.
650			_aPhotography-technique
942			_cGRBK
999			_c83942 _d83942