Vladimir A. Palyulin Eugene V. Radchenko Nikolai S. Zefirov Molecular Field Topology Analysis Method in QSAR Studies of Organic Compounds. 659-667 2000 40 Journal of Chemical Information and Computer Sciences 3 http://dx.doi.org/10.1021/ci980114i db/journals/jcisd/jcisd40.html#PalyulinRZ00