41
Published 1825
Badger & Porter

42
by Varga, Bogdan Ovidiu, Iclodean, Calin, Mariasiu, Florin
Published 2016
Springer International Publishing

43
by Liu, Zhigang
Published 2017
Springer Singapore

44
Published 2016
Springer Berlin Heidelberg

45
Published 2016
Springer Berlin Heidelberg

46
Published 2017
Springer International Publishing

47
Published 2016
Springer International Publishing

48
by Van Themsche, S.
Published 2016
Springer International Publishing

49
by Zhang, Quansheng, Li, Shengbo Eben, Deng, Kun
Published 2016
Springer International Publishing

50
by Dell, Ronald
Published 2014
Academic Press

51
Published 2015
Springer International Publishing

52
Published 2015
Springer International Publishing

53
Published 1991
World Bank

54
by Bayliss, Brian T.
Published 1992
World Bank

55
by Heggie, Ian Graeme
Published 1998
World Bank

56
Published 1996
World Bank

57
by Estache, Antonio
Published 2000
World Bank

58
by Liu, Zhi
Published 1996
World Bank

59
by Calvo, Christina Malmberg
Published 1998
World Bank

60
by Subramanian, Uma
Published 2001
World Bank