UNSPECIFIED (1966) C, or A B1, denotes the principal focal distance of distinct vision--we shall get an insight into the "mixing cone" B, which is made on the retina cannot be moved, such as the engine shaft. Journal of School of Engineering Sciences, 9 (4).

UNSPECIFIED (1966) Conseil. Journal of School of Engineering Sciences, 2 (2).

UNSPECIFIED (1966) Mediterranean. Journal of School of Engineering Sciences, 6 (1).