@article{132095, recid = {132095}, author = {Gordon, Barry,}, title = {Astrophotography : featuring the fx system of exposure determination /}, publisher = {Willmann-Bell Inc.,}, address = {Richmond, Va. :}, pages = {xi, 206 p. :}, year = {1985}, note = {Includes index.}, url = {http://library.usi.edu/record/132095}, }