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Biological nitrogen fixation in farmning systems of the tropics / edited by A. Ayanaba and P.J. Dart.
by Dart, P. J.; International Institute of Tropical Agriculture.; Ayanaba, A.;
Year: 1977., Callno: 631.847.21(213) BIO
Book
Development and testing of an energy conserving greenhouse / by P.J. Dart.
by National Energy Research, Development and Demonstration Program (Australia); Dart, P. J.; Australia. Dept. of Primary Industries and Energy.;
Year: 1987., Callno: 631.344.4 DAR [Q]
Book
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