by Jonathan, E.I., Gajendran, G, Manuel, W.W. (Tamil Nadu Agricultural Univ., Sirugamani (India). Sugarcane Research Station)
Published in Nematologia mediterranea (01.06.2000)

by Jonathan, E.I, Arulmozhiyan, R, Muthusamy, S, Manuel, W.W. (Tamil Nadu Agricultural Univ., Sirugamani (India). Sugarcane Research Station)
Published in Nematologia mediterranea (01.12.2000)

by Manuel, W.W
Published in International rice research newsletter (1981)

by Manuel W.W, Rangaswamy M
Published in International rice research newsletter (1993)

by Ganesan, K, Manuel, W.W, Sundaram, T
Published in International rice research newsletter (01.03.1995)

by Manuel, W.W, Prasad, M.N. (Tamil Nadu Agricultural University, Coimbatore (India) School of Genetics)
Published in Oryza (Cuttack, India) (01.03.1992)

by Sundaram T, Manuel W.W, Palanisamy S
Published in International rice research newsletter (1986)

by Manuel W.W, Gamesan K, Rajagopalan C.K
Published in International rice research newsletter (1985)

by Manuel, W.W, Premkumar, B, Sevugaperumal, S
Published in The Indian journal of agricultural sciences (1978)

by Manuel, W.W, Vairavan, S, Sivasubramaniam, S, Srinivasalu, N
Published in Madras agricultural journal (1973)

by Manuel, W.W, Sundaram, T, Ganesan, K, Vairavan, S, Shanmugasundaram, P, Mohanasundaram, K, Palanisamy, S, Subramanian, M, Rangaswamy, M
Published in International rice research newsletter (01.09.1995)

by Manuel, W.W, Mani, L.S, Ganesan, K, Anavaradham, L
Published in International rice research newsletter (1981)

by Kailasam, C, Manuel, W.W, Venkataraman, R. (Paddy Experiment Station, Aduthurai (India))
Published in Madras agricultural journal (01.12.1978)

by Vairavan, S, Sivasubramaniam, S, Manuel, W.W, Srinivasalu, N
Published in Madras Agr J (1973)

by Kalaimani, S, Pillai, O.R, Manuel, W.W, Subramanian, M. (Tamil Nadu Agricultural Univ., Coimbatore, Tamil Nadu (India))
Published in International rice research newsletter (01.08.1987)

by Subramanian, M, Ganesan, K, Manuel, W.W, Sundaram, T. (Rice Research Station, Ambasamudram, Tamil Nadu (India))
Published in International rice research newsletter (01.04.1987)

by Ganesas, K, Manuel, W.W, Rajagopalas, C.K. (Rajagofalan Paddy Experiment Station, Combasamudram, Tamil Nadu (India))
Published in International rice research newsletter (01.02.1985)

by Rangasamy, S.R.S, Raina, S.K, Manuel, W.W, Natarajamoorthy, K, Palanisamy, S, Gurunathan, M. (Tamil Nadu Agricultural Univ., Coimbatore, Tamil Nadu (India). Paddy Breeding Station)
Published in International rice research newsletter (01.04.1989)

by Parthasarathy, P, Vaithilingam, R, Manuel, W.W, Vairavan, S, Nadarajan, N, Sivasubramanian, V, Chelliah, S. (Tamil Nadu Rice Research Inst., Aduthurai (India))
Published in International rice research newsletter (01.06.1988)

by Vankataraman, R, Manuel, W.W, Parthasarthy, P. (Paddy Experiment Station, Aduthurai (India))
Published in Indian Farming (India) (01.01.1979)