TY - JOUR
AU - Roy Garstang
BT - The Observatory
DA - 12/1997
N1 - JILA Pub. 5905
PY - 1997
SP - 344
EP - 351
T2 - The Observatory
TI - The errors of an equatorial sundial
UR - http://adsabs.harvard.edu/full/1997Obs...117..344G
VL - 117
ER -