TY  - BOOK
AU  - Tattersfield,Donald
TI  - Orbits for amateurs with a microcomputer
SN  - 0470275014
AV  - QB357 .T37 1984
U1  - 523.6/30285 19
PY  - 1984///-c1987
CY  - New York
PB  - Wiley
KW  - Comets
KW  - Orbits
KW  - Data processing
KW  - Microcomputers
KW  - BASIC (Computer program language)
N1  - "A Halsted Press book."; Vol. 1 lacks vol. no; Includes bibliographies
ER  -