TY  - BOOK
AU  - Gilbert, Michael 
TI  - Petrella at Q
SN  - 0340215720
U1  - S 
PY  - 1977///
CY  - London 
PB  - Hodder and stoughton
KW  - Detective and mystery stories, English
KW  - Petrella, Patrick (Fictitious character)
ER  -