共 9 条
[1]
BALL GL, 1978, DEV LOW COST ROOFING
[2]
Brink FE., 1970, J AM CONCRETE I, V67, P841, DOI DOI 10.1080/03670074.1941.11664156
[4]
MEHTA PK, 1977, J AM CONCRETE I, V74, P440
[5]
Nilsson L., 1975, D14 SWED COUNC BUILD
[6]
OZOMAKA OJ, 1976, MAGAZINE CONCRETE RE, V28, P162
[7]
Slate F.O., 1976, ENG J SINGAP, V3, P51
[8]
Sridhara S., 1971, INDIAN CONCRETE J, V10, P428
[9]
1973, ZA006 ZAMB STAND I