G. Ortman

发表

J. Nader, G. Ortman, M. Massey, 1961, American Industrial Hygiene Association journal.

A. E. O'keeffe, G. Ortman, 1967, Analytical chemistry.

A. E. O'Keeffe, G. C. Ortman, A. E. O'keeffe, 1966 .

A. P. Altshuller, B. E. Saltzman, G. Ortman, 1966, Journal of the Air Pollution Control Association.