TY  - BOOK
ED  - United Nations Centre for Human Settlements.
TI  - Small-scale production of portland cement: united nations centre for human settlements 
SN  - 9211312043
AV  - TP 883 .S54 1993
U1  - 666/.94 20
PY  - 1993///
CY  - Nairobi
PB  - United Nations Centre for Human Settlements (Habitat)
KW  - Portland cement
N1  - "HS/281/93E"-- T.p. verso
ER  -