00365cam a2200133 4500 693.834 AST L-10, P-33 Aston, g.h. 45565 The second insulation of partitions G.h. aston London, c1948. 24 p. illus. 22 cm. 0 0 0 693_834000000000000_AST MCE 379 ddc BK 549051 549051 0 0 ddc 0 0 MCE MCE 2014-09-15 0 693.834 AST MCE-30373 2014-09-15 2014-09-15 BK