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by Ussiri, David; Lal, Rattan
by Lal, Rattan; Singh, Bal Ram; Mwaseba, Dismas L.; et al.
by Lorenz, Klaus; Lal, Rattan
by Rattan, Cleatus
by Lal, Rattan; Lorenz, Klaus; Hüttl, Reinhard F.; et al.
by Everitt, Arthur V.; Rattan, Suresh I. S.; Couteur, David G.; et al.
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by Thakur, Mahendra K.; Rattan, Suresh I. S.
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by Rattan, Suresh I. S.; Hayflick, Leonard