共 6 条
[2]
DEJONGE J, 1966, RECRUEIL, V74, P1448
[3]
FREUDENBERG K, 1968, CONSTITUTION BIOSYNT, P93
[5]
Leopold B., 1952, Svensk Papperstidning, V55, P816
[6]
SARKANEN KV, 1971, LIGNIN, P218