TY  - BOOK
AU  - Nossin Jan J.
TI  - Surveys for development:A multi disciplinary approach
U1  - 526.9 
PY  - 1977///
CY  - N.Y.
PB  - Elsevier Sc. Pub.
KW  - Astronomy , Allied Sci
KW  - Astronomy , Allied Science
ER  -