Riov, J., The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Israel
Sacks, M., Shaham, The Agriculture Extension Service, Ministry of Agriculture, Israel
Spiegel, E., Shaham, The Agriculture Extension Service, Ministry of Agriculture, Israel
Tamari, Y., Shaham, The Agriculture Extension Service, Ministry of Agriculture, Israel
Weizman, S., Shaham, The Agriculture Extension Service, Ministry of Agriculture, Israel
Riov, J., The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Israel
Sacks, M., Shaham, The Agriculture Extension Service, Ministry of Agriculture, Israel
Spiegel, E., Shaham, The Agriculture Extension Service, Ministry of Agriculture, Israel
Tamari, Y., Shaham, The Agriculture Extension Service, Ministry of Agriculture, Israel
Weizman, S., Shaham, The Agriculture Extension Service, Ministry of Agriculture, Israel