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