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Journals and Conferences
We study an important mechanism underlying employee referrals into informal low skilled jobs in developing countries. Employers can exploit social preferences between employee referees and potential workers to improve discipline. The profitability of using referrals increases with referee stakes in the firm, and, in most cases, with the strength of the… (More)
A total of 16 techniques of Oralium treatment for adhesive restorations were tested. The best results were achieved with sanding and subsequent electrochemical etching with 0.5N HNO3 plus methanol in the ratio 9:1 followed by 20% HCl cleaning in ultrasonic bath. Spofakryl0 showed more favorable retentive features than Evicrol.
Three investigated parts (superficial, medial and deep) of the cerebellar molecular layer in cat show differences in size, number and shape of the synaptic knobs. In the superficial part the synapses are smaller and more numerous than in the deep part. The proportions between the positive and negative type of synapses changes as well, the latter being more… (More)