L-studio/cpfg: A Software System for Modeling Plants. - Przemyslaw Prusinkiewicz; Radoslaw Karwowski; Radomír Mech; Jim Hanan (AGTIVE, 1999)

The use of positional information in the modeling of plants. - Przemyslaw Prusinkiewicz; Lars Mündermann; Radoslaw Karwowski; Brendan Lane (SIGGRAPH, 2001)

Interactive Design of Bonsai Tree Models. - Frédéric Boudon; Przemyslaw Prusinkiewicz; Pavol Federl; Christophe Godin; Radoslaw Karwowski (Comput. Graph. Forum, 2003)

Design and Implementation of the L+C Modeling Language. - Radoslaw Karwowski; Przemyslaw Prusinkiewicz (RULE@RDP, 2003)

L-System Description of Subdivision Curves. - Przemyslaw Prusinkiewicz; Faramarz F. Samavati; Colin Smith; Radoslaw Karwowski (Int. J. Shape Model., 2003)