Hettiarachchi, Nandita
Design and construction of a sundial - Moratuwa UOM, Astronomical Association 1996 - 28p.: ill.
Time measurment
520.378 / H4
Design and construction of a sundial - Moratuwa UOM, Astronomical Association 1996 - 28p.: ill.
Time measurment
520.378 / H4