TY  - BOOK
AU  - Open university
TI  - Correlation multiariate distrobutions sampling
T2  - Mathematics/Social sciences/Technology: An inter faculty second level cousre
U1  - B28M, L4.7/.8/.9 
PY  - 1974///
CY  - Milton
PB  - Keynes Open University Press    
KW  - Operation research
ER  -