Durell, Clement V. creator Robson, A. text London G. bell and son ltd c1953 Dover Ed. monographic viii, 336 p. : ill. ; 22 cm. C.V. Durell and A. Robson. Includes index. Originally published: London : G. Bell and Sons, Ltd., 1930. 0 0 0 516_240000000000000_DUR 0 0 0 516_240000000000000_DUR 0 0 0 516_240000000000000_DUR 0 0 0 516_240000000000000_DUR 0 0 0 516_240000000000000_DUR 0 0 0 516_240000000000000_DUR 0 0 0 516_240000000000000_DUR 0 0 0 516_240000000000000_DUR MCE Trigonometry 516.24 DUR 0486432297 (pbk.) http://www.loc.gov/catdir/enhancements/fy0614/2003057276-d.html http://www.loc.gov/catdir/enhancements/fy0614/2003057276-d.html