== Hollas - Modern Spectroscopy == This may help me estimate propellant plume optical cross sections and light pressure || Edition || ISBN || New || Used || || 4 H 2004 || 978-0470844151 0470844159 || || Bw 150.00 || || 4 P 2004 || 978-0470844168 0470844167 || Bw 25.64 || Am 16.11 Bw 12.16+ || || 3 H 1996 || 978-0471965220 0471965227 || Am 46.11 || Am 26.70 Bw 24.95+ || || 3 P 1996 || 978-0471965237 0471965235 || || Bw 5.63+ || || 2 H 1991 || 978-0471930761 0471930768 || || 2 P 1991 || 978-0471930778 0471930776 || || 1 H 1987 || 978-0471911210 0471911216 || || 1 P 1988 || 978-0471911319 0471911313 ||