@conference {mohsen1970ray,
	title = {Ray-Optical Diffraction Coefficients for Waveguide Discontinuity Problems},
	booktitle = {Microwave Symposium, G-MTT 1970 International},
	year = {1970},
	note = {n/a},
	pages = {43{\textendash}44},
	publisher = {IEEE},
	organization = {IEEE},
	abstract = {n/a},
	author = {Mohsen, A and Hamid, MAK}
}
