TY  - BOOK
AU  - Hammond Robert
AU  -  McCullagh Patrick
TI  - Quantitative techniques in geography:  An introduction   
SN  - 019 8740069
U1  - U:(B), L4/TD3 
PY  - 1974///
CY  - Oxford
PB  - Clarendon Press         
N1  - Bibliography: p305-06; Appendix: p284-304
ER  -