000 00331nam a2200109 4500
245 _aGuide to micrographic equipment: COM recorders
_cedited by Hubbard W. Ballou
710 _aBallou, Hubbard W.
250 _a6th ed.
260 _aMaryland
_bNational Microfilm Association
_c1975
300 _a56p.: ill.; 28cm.
082 _a686.43
_bGUI
999 _c29538
_d29538