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Usman Saeed, Uthman Dawood, Arshad Mahmood Ali

A. Venkataraman, D.R. Subramanian, P.C. Soosamma

Weiwei Zhu, Meiwu Shi, Jiajie Long

R.G. Stoll

A.A. Hamza, H.I. Abd El-Kader

J.K. Vandermaas, T.L. Holmes, W.C. Zybko

Richard V. Flor, Manfred J. Prager

K. J. Berg, B. Rolfsen, G. Stake

B. Sheldon Sprague

S.C. Roy