.245
aSpeech and hearing in communication.
hBook
.100
aFletcher Harvey
.005
a00000000000000
.260
aPrinceton, NJ: D.Van Nostrand, 1953.
b
c2000
.084
a621.384 11 Ram
.300
ax, 461 hlm.
b gamb., tab., 23 cm. (The Bell Telephone Laboratories series)
cx, 461 hlm.; gamb., tab., 23 cm. (The Bell Telephone Laboratories series)
.336
aBook