. (1972). Graphy Theory As Models of Physical Systems. (e26167). University College of Engineering, 22(0), e26167
. "Graphy Theory As Models of Physical Systems" .e26167 , University College of Engineering, 22, 0, 1972, e26167.
. (1972). 'Graphy Theory As Models of Physical Systems', University College of Engineering, 22(0), e26167.
, "Graphy Theory As Models of Physical Systems," University College of Engineering, 22 0 (1972): e26167,
. Graphy Theory As Models of Physical Systems. University College of Engineering. 1972;22(0):e26167 (In Persian).