C. H. Orr has written:
'A user manual for graphical interactive pump analysis and simulation program(GIPAS)'
'Optimized pumping in water supply systems'
'Computer-aided pump analysis, design and simulation, using the program GIPADS'
'User manual for GINAS input data file preparation program(GIDAT)'
Richard H. Orr has written: 'Progress in documentation'
C. H. ROBERTS has written: 'THE CODEX'
H. C. Gardner has written: 'Rosedale'
C H. Koch has written: 'Logik'
C. H. Bishop has written: 'Folkestone'
C H. Bloomster has written: 'Geocost'
C. H. Hermansson has written: 'Kommunister'
C. H. Thorburn has written: 'The mysterious stranger'
H. C. Mole has written: 'Moments of mystery'
C H. Waddington has written: 'The scientific attitude'
C. H. Andrus has written: 'An Olympian adventure'
C. H. Andersen has written: 'Anne Helene'