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 REFERENCES

(1) A. V. Hershey, 'A Computer System for Scientific Typography", Computer Graphics and Image Processing, Vol.1., PP 373-385 (1972)

(2) N. M. Wolcott and J. Hilsenrath, NBS Special Publication 424, "Tables of Coordinates for Hershey's Repertory of Occidental Type Fonts and Graphic Symbols". U. S. Govt. Printing Office, (1976)

(3) N. M. Wolcott and F. T.. McCrackin, Computer Graphics, Vol. 11, No.2, pp 121-127, (1977)

(4) American Standards Association, 'American Standard Fortran, X3.9-1966, March, (1966)

(5) B. G. Ryder and A. D. Hall, "The PFORT Verifier', Bell Laboratories Computing Science Technical Report No. 12, July, (1975)

DISCLAIMER

Certain commercial products and instruments are identified in this paper in order to specify adequately the experimental procedure, In no case does such identification imply recommendation or endorsement by the National Bureau of Standards, nor does it imply that the products or equipment identified are necessarily the best available for the purpose. 6