共 27 条
[21]
PETROV GN, 1969, VYSOKOMOL SOED B, V11, P828
[22]
SAUNDERS JH, 1962, POLYURETHANES, P1
[25]
SPERLING LH, 1973, POLYM PREPRINTS, V14, P958
[26]
TIGER RP, 1972, USP KHIM+, V41, P1672
[27]
TOAHSAENT RE, 1974, J POLYM SCI S, V46, P175