- Intelligent Systems, IEEE 16(2):60--71 (2001)
- BMC Evolutionary Biology 10(1):25+ (2010)
- IEEE Intelligent Systems 16(2):60-71 (March 2001)
- IEEE Intelligent Systems (March 2001)
- IEEE Intelligent Systems 2(16):60--71 (2001)
- IEEE Intelligent Systems (2001)
- Intelligent Systems, IEEE see also IEEE Intelligent Systems and Their Applications 16(2):60--71 (2001)
- IEEE Intelligent Systems 16(2):60--71 (2001)
- IEEE Intelligent Systems 16(2):60--71 (2001)
- (2003)
- IEEE Intelligent Systems 16(2):60--71 (2001)
- IEEE Intelligent Systems 16(2):60--71 (2001)


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