Walker, P.G.
Visual stress grading of timber explanation and practical interpretation of the visual grading elements of BS 4978 - Bucks TRADA 1974 - 31p.: ill.
69.001.3:691.11 / T5
Visual stress grading of timber explanation and practical interpretation of the visual grading elements of BS 4978 - Bucks TRADA 1974 - 31p.: ill.
69.001.3:691.11 / T5