- Author: Ramjee Prasad, Leo Ligthart, Ramjee Prasad
- Language: English
- Year: 2018
- Author: Leo Ligthart
- Language: English
- Year: 2014
- Author: L. P. Ligthart
- Language: English
- Year: 2013
- Author: Leo P. Ligthart Ramjee Prasad Silvano Pupolin
- Language: English
- Year: 2015
- Author: Sjors Ligthart
- Language: English
- Year: 2022
- Author: Ligthart Leo P., Prasad Ramjee
- Language: English
- Year: 2019
- Author: Teddy Wilson Arie Ligthart Humphrey van Loo
- Language: English
- Year: 2001
- Author: A. I. Kozlov L. P. Ligthart A. I. Logvin I. M. Besieris L. P. Ligthart E. G. Pusone (auth.)
- Language: English
- Year: 2002