000			003130000a22001330004500
245			_aPhotography: materials and methods
100			_aHedgecoe, John
100			_aLangford, Michael
260			_aLondon _bOxford University Press _c1971
300			_a170p.
080			_a77 _bH4
041			_aEN
942			_cBK
999			_c106702 _d106702