Punyawardena, B.V.R. and Kulasiri, D., 1998. Spatial interpolation of rainfall in the dry zone of Sri Lanka. Journal of the National Science Foundation of Sri Lanka, 26(3), pp.247–262. DOI: http://doi.org/10.4038/jnsfsr.v26i3.5007

Punyawardena BVR, Kulasiri D. Spatial interpolation of rainfall in the dry zone of Sri Lanka. Journal of the National Science Foundation of Sri Lanka. 1998;26(3):247–62. DOI: http://doi.org/10.4038/jnsfsr.v26i3.5007

Punyawardena, B. V. R., & Kulasiri, D. (1998). Spatial interpolation of rainfall in the dry zone of Sri Lanka. Journal of the National Science Foundation of Sri Lanka, 26(3), 247–262. DOI: http://doi.org/10.4038/jnsfsr.v26i3.5007

1. Punyawardena BVR, Kulasiri D. Spatial interpolation of rainfall in the dry zone of Sri Lanka. Journal of the National Science Foundation of Sri Lanka. 1998;26(3):247-262. DOI: http://doi.org/10.4038/jnsfsr.v26i3.5007

Punyawardena BVR and Kulasiri D, ‘Spatial Interpolation of Rainfall in the Dry Zone of Sri Lanka’ (1998) 26 Journal of the National Science Foundation of Sri Lanka 247 DOI: http://doi.org/10.4038/jnsfsr.v26i3.5007

Punyawardena, B.V.R., and Don Kulasiri. 1998. “Spatial Interpolation of Rainfall in the Dry Zone of Sri Lanka”. Journal of the National Science Foundation of Sri Lanka 26 (3): 247–62. DOI: http://doi.org/10.4038/jnsfsr.v26i3.5007

Punyawardena, B.V.R., and Don Kulasiri. “Spatial Interpolation of Rainfall in the Dry Zone of Sri Lanka”. Journal of the National Science Foundation of Sri Lanka 26, no. 3 (1998): 247–62. DOI: http://doi.org/10.4038/jnsfsr.v26i3.5007

Punyawardena, B V Rand D Kulasiri. “Spatial interpolation of rainfall in the dry zone of Sri Lanka”. Journal of the National Science Foundation of Sri Lanka, vol. 26, no. 3, 1998, pp. 247–62. DOI: http://doi.org/10.4038/jnsfsr.v26i3.5007