TY  - BOOK
AU  - x, x
AU  - Yule,John - David
TI  - Concise encyclopedia of the sciences: x
SN  - 0442292082
U1  - R503/C744 
PY  - 1978///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Sciences - Encyclopedias
N1  - x
ER  -