"lavers, gwendoline m. "
the strength properties of timbers: / gwendoline.m. lavers - 1 ed. - uk : h.m.s.o 1969. - "viii, 62p.; 30 cm."
includes bibliography
11 470125 3
674. 13 lav
the strength properties of timbers: / gwendoline.m. lavers - 1 ed. - uk : h.m.s.o 1969. - "viii, 62p.; 30 cm."
includes bibliography
11 470125 3
674. 13 lav