TY - JOUR T1 - Nonlinear optical properties of some newly developed crystals for measurement of ultrafast laser pulses JO - Brazilian Journal of Physics A1 - Hussain, Kamal A1 - Kumbhakar, Pathik SN - 0103-9733 UL - 10.1590/S0103-97332006000700028 VL - 36 Y1 - 2006 PB - Brasil ER -