000			00395nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aPHOTONICS DIRECTORY 1989
245			_aThe photonics buyer's guide to productsand manufacturers.
250			_a35 ed.
260			_bLaurin Publishing
260			_c1989
300			_a638 p.
942			_cBooks
999			_c17663 _d17663