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2941
Microbiological transformations of nitrogen in flooded maahas clay [microform]
Vydáno 1977Visual Material -
2942
Response of four varieties of soybeans to nitrogen and inoculation [microform]
Vydáno 1977Visual Material -
2943
The estimation of parameters of unsampled strata in a two-way stratified sample [microform]
Vydáno 1977Visual Material -
2944
The use of alphabeticall listed frame in stratified sampling design [microform]
Vydáno 1977Visual Material -
2945
Weight and backfat thickness adjustment factors in growing pigs [microform]
Vydáno 1977Visual Material -
2946
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2947
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2948
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2949
Public utility pricing the case of the Manila Electricity Company [microform]
Vydáno 1977Visual Material -
2950