TY  - BOOK
T1  - Sundials, how to know, use, and make them,
DA  - [1973]
CY  - Cambridge, Mass.,
AU  - Mayall, R. Newton
AU  - Mayall, Margaret W.
ET  - 2d ed.
CN  - QB215
CN  - QB215
PB  - Sky Pub. Corp.
PP  - Cambridge, Mass.,
PY  - [1973]
ID  - 60492
KW  - Sundials.
TI  - Sundials, how to know, use, and make them,
ER  -