Towards sustainable aviationPaul Upham, Janet Maughan, David Raper, Callum Thomas · First published 2003Open the Tome
Continuing Care RetireHoward E. Winklevoss, Alwyn V. Powell, David L. Cohen, Ann Trueblood-Raper · First published 1991Open the Tome
Crop reactions to water and temperature stresses in humid, temperate climatesC. David Raper, Paul Jackson Kramer · First published 1983Open the Tome
Acid deposition and water chemistry in the Derbyshire High Peak DistrictDavid William RaperOpen the Tome