Abu-Zreig, M. and Atoum, M. F. 2004. Hydraulic characteristics and seepage modelling of clay pitchers produced in Jordan. Canad. Biosys. Eng. 46(1): 15-20.
Abu-Zreig, M., Y. Abe, Y. and Isoda, H. 2006. The Auto-regulative capability of pictcher irrigation system. Agric. Water Manage. 85: 272-278.
Abu-Zreig, M., Khdair, A. and Alazba, A. 2009. Factors affecting water seepage rate of clay pitchers in arid lands. University Sharjah. J. Pur. Appl. Sci. 6(1): 59-80.
Ajit, N., Virendra, K., Mahesh, K., Purohit, R. C. and Singhvi, B. S. 2007. Hydraulic study of earthen pitchers. J. Agric. Eng. 44(2): 156-164.
Ashrafi, Sh., Gupta, A., Singh, M. B., Izumi, N. and Loof, N. 2002. Simulation of infiltration from porous clay pipe in subsurface irrigation. Hydrol. Sci. J. 47(2): 253-268.
Bahrami, H. A., Ghorbani-Vaghei, H., Alizadeh, P., Nasiri, F. and Mahallati, Z. 2011. Fuzzy modeling of soil water distribution using porous clay capsule irrigation from a subsurface point source.
Sens. Lett. 8(1): 75-80.
Bainbridge, D. A. 2001. Buried clay pot irrigation: A little known but very efficient traditional method of irrigation. Agric. Water Manage. 48, 79-88.
Batchelor, C., Christopher, L. and Murata, M. 1996. Simple microirrigation techniques for improving irrigation efficiency on vegetable gardens. Agric. Water Manage. 32, 37-48.
Behnia, A. K. and Arab-Fard, M. 2005. Determination of discharge-pressure relation of pitchers using in pitcher irrigation. Agri. Sci. Technol. J. 19(1): 1-12. (in Farsi)
Ghorbani-Vaghei, H., Bahrami, H. A., Alizadeh, P. and Nasiri, F. 2011. Hydraulic characteristics of porous clay capsules and its effect on soil moisture distribution. J. Water Res. Agric. 9(5): 131-140. (in Farsi)
Ghorbani-Vaghei, H., Bahrami, H. A., Alizadeh, P., Nasiri, F. and Mahallati, Z. 2010. Improving physical and hydraulic properties of porous clay capsules from a subsurface point source. Twin International Conference on Geotechnical and Geo-Environmental Engineering CUM (7th) Ground Improvement Techniques. June 23-25. Seoul. Korea.
Gupta, A. D., Singh-Babel, M. and Ashrafi, S. 2009. Effect of soil texture on the emission characteristics of porous clay pipe for subsurface irrigation. Irrig. Sci. 27, 201-208.
Hussain, G., Al-Jaloud, A. A., Al-Shammafy, S. A., Karimulla, S. and Al-Aswad, S. O. 1997. Effect of saline irrigation on germination and growth parameters of barley in a pot experiment.
Agric. Water Manage. 34(2): 125-135.
Kazemi, A. A., Karegar, A. R., Karegar, H., Sadri, S., Dehghan, A., Ghazanfarain, V. A. and Karbalaei, H. 2003. Assessment of subsurface pitcher irrigation on tree vegetation in desert area with clay pipes. J. Fore. Past. 74, 88-93. (in Farsi)
Majidi, E., Zarei, Gh., Keshavarz, A., Hejazi, S. M. 2009. Assessment of possibility of subsurface clay pipe irrigation method for agricultural and horticultural crops. Research Report . No. 88/281. Agricultural Research, Education and Extension Organization (AREEO). (in Farsi)
Naik, B. S., Panda, R. K., Nayak, S. C. and Sharma, S. D. 2008. Hydraulics and salinity profile of pitcher irrigation in saline water condition. Agric. Water Manage. 95, 1129-1134.
Saleh, E. and Setiawan, B. I. 2010. Numerical modeling of soil moisture profiles under pitcher irrigation application. Agric. Eng. Int. CIGR J. 12(2): 14-20.
Siyal, A. A. and Skaggs, T. H. 2009. Measured and simulated soil wetting pattern under porous clay pipe subsurface irrigation. Agric. Water Manage. 96, 893-904.
Siyal, A. A., Van-Genuchten, M. T. and Skaggs, T. H. 2009. Performance of pitcher irrigation system. Soil Sci. 174(6): 312-320.
Stien, T. M. 1998. Development of design criteria for pitcher irrigation. Ph. D. Thesis. Crandfield Institute of Technology. Silsio College.
Vasudevan, P., Thapliyal, A., Dastida, M. G. and Sen, P. K. 2007. Pitcher or clay pot irrigation for water conservation. Proceedings of the International Conference on Mechanical Engineering. Dec. 29-31. Daka. Bangladesh. 29-31.