TY  - GEN
AU  - Crosskey, Lewes R
TI  - Elementary perspective
U1  - 604.245,CRO 
PY  - 1924///
CY  - Bombay
PB  - Blackie And Son
KW  - Elementary perspective
N1  - Introduction (Page-1), Reference to Paragraphs In The Introduction (Page-13), Principle Facts (Page-13), Problems Worked (Page-14), The Measuring Points (Page-76), The Direct Method (Page-102)
ER  -