TY  - BOOK
AU  - LONEY (S L)
TI  - Plane trigonometry Part I
U1  - 512/32 
PY  - 1925///
CY  - London
PB  - Macmillan & Co. Ltd.
KW  - trigonometry
KW  - Plane
KW  - Part
KW  - I
ER  -