TY  - BOOK
AU  - Monahan, Finn 
TI  - Know Your Spectrum! 
SN  - 978-1-78592-435-4
U1  - Cir. 618.9285882 M734 C2019  
PY  - 2019///
CY  - London, 
PB  - Jessica  Kingsley Publishers
ER  -